diff --git a/cranelift/Cargo.toml b/cranelift/Cargo.toml
index 64471c4df5..a8c2addb05 100644
--- a/cranelift/Cargo.toml
+++ b/cranelift/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "cranelift-tools"
 authors = ["The Cranelift Project Developers"]
-version = "0.39.0"
+version = "0.40.0"
 description = "Binaries for testing the Cranelift libraries"
 license = "Apache-2.0 WITH LLVM-exception"
 documentation = "https://cranelift.readthedocs.io/"
@@ -19,19 +19,19 @@ path = "src/clif-util.rs"
 
 [dependencies]
 cfg-if = "0.1"
-cranelift-codegen = { path = "cranelift-codegen", version = "0.39.0" }
-cranelift-entity = { path = "cranelift-entity", version = "0.39.0" }
-cranelift-reader = { path = "cranelift-reader", version = "0.39.0" }
-cranelift-frontend = { path = "cranelift-frontend", version = "0.39.0" }
-cranelift-serde = { path = "cranelift-serde", version = "0.39.0", optional = true }
-cranelift-wasm = { path = "cranelift-wasm", version = "0.39.0", optional = true }
-cranelift-native = { path = "cranelift-native", version = "0.39.0" }
-cranelift-filetests = { path = "cranelift-filetests", version = "0.39.0" }
-cranelift-module = { path = "cranelift-module", version = "0.39.0" }
-cranelift-faerie = { path = "cranelift-faerie", version = "0.39.0" }
-cranelift-simplejit = { path = "cranelift-simplejit", version = "0.39.0" }
-cranelift-preopt = { path = "cranelift-preopt", version = "0.39.0" }
-cranelift = { path = "cranelift-umbrella", version = "0.39.0" }
+cranelift-codegen = { path = "cranelift-codegen", version = "0.40.0" }
+cranelift-entity = { path = "cranelift-entity", version = "0.40.0" }
+cranelift-reader = { path = "cranelift-reader", version = "0.40.0" }
+cranelift-frontend = { path = "cranelift-frontend", version = "0.40.0" }
+cranelift-serde = { path = "cranelift-serde", version = "0.40.0", optional = true }
+cranelift-wasm = { path = "cranelift-wasm", version = "0.40.0", optional = true }
+cranelift-native = { path = "cranelift-native", version = "0.40.0" }
+cranelift-filetests = { path = "cranelift-filetests", version = "0.40.0" }
+cranelift-module = { path = "cranelift-module", version = "0.40.0" }
+cranelift-faerie = { path = "cranelift-faerie", version = "0.40.0" }
+cranelift-simplejit = { path = "cranelift-simplejit", version = "0.40.0" }
+cranelift-preopt = { path = "cranelift-preopt", version = "0.40.0" }
+cranelift = { path = "cranelift-umbrella", version = "0.40.0" }
 filecheck = "0.4.0"
 clap = "2.32.0"
 serde = "1.0.8"
diff --git a/cranelift/bforest/Cargo.toml b/cranelift/bforest/Cargo.toml
index 35e579892a..bd7cf33701 100644
--- a/cranelift/bforest/Cargo.toml
+++ b/cranelift/bforest/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 authors = ["The Cranelift Project Developers"]
 name = "cranelift-bforest"
-version = "0.39.0"
+version = "0.40.0"
 description = "A forest of B+-trees"
 license = "Apache-2.0 WITH LLVM-exception"
 documentation = "https://cranelift.readthedocs.io/"
@@ -12,7 +12,7 @@ keywords = ["btree", "forest", "set", "map"]
 edition = "2018"
 
 [dependencies]
-cranelift-entity = { path = "../cranelift-entity", version = "0.39.0", default-features = false }
+cranelift-entity = { path = "../cranelift-entity", version = "0.40.0", default-features = false }
 
 [features]
 default = ["std"]
diff --git a/cranelift/codegen/Cargo.toml b/cranelift/codegen/Cargo.toml
index 9a7de70ef0..d432d5313b 100644
--- a/cranelift/codegen/Cargo.toml
+++ b/cranelift/codegen/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 authors = ["The Cranelift Project Developers"]
 name = "cranelift-codegen"
-version = "0.39.0"
+version = "0.40.0"
 description = "Low-level code generator library"
 license = "Apache-2.0 WITH LLVM-exception"
 documentation = "https://cranelift.readthedocs.io/"
@@ -13,8 +13,8 @@ build = "build.rs"
 edition = "2018"
 
 [dependencies]
-cranelift-entity = { path = "../cranelift-entity", version = "0.39.0", default-features = false }
-cranelift-bforest = { path = "../cranelift-bforest", version = "0.39.0", default-features = false }
+cranelift-entity = { path = "../cranelift-entity", version = "0.40.0", default-features = false }
+cranelift-bforest = { path = "../cranelift-bforest", version = "0.40.0", default-features = false }
 failure = { version = "0.1.1", default-features = false, features = ["derive"] }
 failure_derive = { version = "0.1.1", default-features = false }
 hashmap_core = { version = "0.1.9", optional = true }
@@ -27,7 +27,7 @@ serde = { version = "1.0.94", features = ["derive"], optional = true }
 # accomodated in `tests`.
 
 [build-dependencies]
-cranelift-codegen-meta = { path = "meta", version = "0.39.0", default-features = false }
+cranelift-codegen-meta = { path = "meta", version = "0.40.0", default-features = false }
 
 [features]
 default = ["std", "x86", "arm32", "arm64", "riscv"]
diff --git a/cranelift/codegen/meta/Cargo.toml b/cranelift/codegen/meta/Cargo.toml
index 3f4ff42f4c..1d1fd894f9 100644
--- a/cranelift/codegen/meta/Cargo.toml
+++ b/cranelift/codegen/meta/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "cranelift-codegen-meta"
 authors = ["The Cranelift Project Developers"]
-version = "0.39.0"
+version = "0.40.0"
 description = "Metaprogram for cranelift-codegen code generator library"
 license = "Apache-2.0 WITH LLVM-exception"
 repository = "https://github.com/CraneStation/cranelift"
@@ -9,7 +9,7 @@ readme = "README.md"
 edition = "2018"
 
 [dependencies]
-cranelift-entity = { path = "../../cranelift-entity", version = "0.39.0", default-features = false }
+cranelift-entity = { path = "../../cranelift-entity", version = "0.40.0", default-features = false }
 
 [badges]
 maintenance = { status = "experimental" }
diff --git a/cranelift/entity/Cargo.toml b/cranelift/entity/Cargo.toml
index 135726df36..538d1299df 100644
--- a/cranelift/entity/Cargo.toml
+++ b/cranelift/entity/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 authors = ["The Cranelift Project Developers"]
 name = "cranelift-entity"
-version = "0.39.0"
+version = "0.40.0"
 description = "Data structures using entity references as mapping keys"
 license = "Apache-2.0 WITH LLVM-exception"
 documentation = "https://cranelift.readthedocs.io/"
diff --git a/cranelift/faerie/Cargo.toml b/cranelift/faerie/Cargo.toml
index a6ed284c63..c93840f705 100644
--- a/cranelift/faerie/Cargo.toml
+++ b/cranelift/faerie/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cranelift-faerie"
-version = "0.39.0"
+version = "0.40.0"
 authors = ["The Cranelift Project Developers"]
 description = "Emit Cranelift output to native object files with Faerie"
 repository = "https://github.com/CraneStation/cranelift"
@@ -10,8 +10,8 @@ readme = "README.md"
 edition = "2018"
 
 [dependencies]
-cranelift-codegen = { path = "../cranelift-codegen", version = "0.39.0" }
-cranelift-module = { path = "../cranelift-module", version = "0.39.0" }
+cranelift-codegen = { path = "../cranelift-codegen", version = "0.40.0" }
+cranelift-module = { path = "../cranelift-module", version = "0.40.0" }
 faerie = "0.10.0"
 goblin = "0.0.24"
 failure = "0.1.2"
diff --git a/cranelift/filetests/Cargo.toml b/cranelift/filetests/Cargo.toml
index 449e97080a..fd8b309bb5 100644
--- a/cranelift/filetests/Cargo.toml
+++ b/cranelift/filetests/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "cranelift-filetests"
 authors = ["The Cranelift Project Developers"]
-version = "0.39.0"
+version = "0.40.0"
 description = "Test driver and implementations of the filetest commands"
 license = "Apache-2.0 WITH LLVM-exception"
 documentation = "https://cranelift.readthedocs.io/en/latest/testing.html#file-tests"
@@ -10,9 +10,9 @@ publish = false
 edition = "2018"
 
 [dependencies]
-cranelift-codegen = { path = "../cranelift-codegen", version = "0.39.0", features = ["testing_hooks"] }
-cranelift-reader = { path = "../cranelift-reader", version = "0.39.0" }
-cranelift-preopt = { path = "../cranelift-preopt", version = "0.39.0" }
+cranelift-codegen = { path = "../cranelift-codegen", version = "0.40.0", features = ["testing_hooks"] }
+cranelift-reader = { path = "../cranelift-reader", version = "0.40.0" }
+cranelift-preopt = { path = "../cranelift-preopt", version = "0.40.0" }
 file-per-thread-logger = "0.1.2"
 filecheck = "0.4.0"
 num_cpus = "1.8.0"
diff --git a/cranelift/frontend/Cargo.toml b/cranelift/frontend/Cargo.toml
index 921a0dd04f..fec5f408e4 100644
--- a/cranelift/frontend/Cargo.toml
+++ b/cranelift/frontend/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 authors = ["The Cranelift Project Developers"]
 name = "cranelift-frontend"
-version = "0.39.0"
+version = "0.40.0"
 description = "Cranelift IR builder helper"
 license = "Apache-2.0 WITH LLVM-exception"
 documentation = "https://cranelift.readthedocs.io/"
@@ -11,7 +11,7 @@ readme = "README.md"
 edition = "2018"
 
 [dependencies]
-cranelift-codegen = { path = "../cranelift-codegen", version = "0.39.0", default-features = false }
+cranelift-codegen = { path = "../cranelift-codegen", version = "0.40.0", default-features = false }
 target-lexicon = { version = "0.4.0", default-features = false }
 log = { version = "0.4.6", default-features = false }
 hashmap_core = { version = "0.1.9", optional = true }
diff --git a/cranelift/module/Cargo.toml b/cranelift/module/Cargo.toml
index a849fe45b6..9ed7dbe6f8 100644
--- a/cranelift/module/Cargo.toml
+++ b/cranelift/module/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cranelift-module"
-version = "0.39.0"
+version = "0.40.0"
 authors = ["The Cranelift Project Developers"]
 description = "Support for linking functions and data with Cranelift"
 repository = "https://github.com/CraneStation/cranelift"
@@ -11,8 +11,8 @@ readme = "README.md"
 edition = "2018"
 
 [dependencies]
-cranelift-codegen = { path = "../cranelift-codegen", version = "0.39.0", default-features = false }
-cranelift-entity = { path = "../cranelift-entity", version = "0.39.0", default-features = false }
+cranelift-codegen = { path = "../cranelift-codegen", version = "0.40.0", default-features = false }
+cranelift-entity = { path = "../cranelift-entity", version = "0.40.0", default-features = false }
 hashmap_core = { version = "0.1.9", optional = true }
 failure = { version = "0.1.1", default-features = false }
 log = { version = "0.4.6", default-features = false }
diff --git a/cranelift/native/Cargo.toml b/cranelift/native/Cargo.toml
index d98466c666..58a2094174 100644
--- a/cranelift/native/Cargo.toml
+++ b/cranelift/native/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cranelift-native"
-version = "0.39.0"
+version = "0.40.0"
 authors = ["The Cranelift Project Developers"]
 description = "Support for targeting the host with Cranelift"
 repository = "https://github.com/CraneStation/cranelift"
@@ -10,7 +10,7 @@ readme = "README.md"
 edition = "2018"
 
 [dependencies]
-cranelift-codegen = { path = "../cranelift-codegen", version = "0.39.0", default-features = false }
+cranelift-codegen = { path = "../cranelift-codegen", version = "0.40.0", default-features = false }
 target-lexicon = { version = "0.4.0", default-features = false }
 
 [target.'cfg(any(target_arch = "x86", target_arch = "x86_64"))'.dependencies]
diff --git a/cranelift/preopt/Cargo.toml b/cranelift/preopt/Cargo.toml
index 476f27df91..6372ff2d24 100644
--- a/cranelift/preopt/Cargo.toml
+++ b/cranelift/preopt/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 authors = ["The Cranelift Project Developers"]
 name = "cranelift-preopt"
-version = "0.39.0"
+version = "0.40.0"
 description = "Support for optimizations in Cranelift"
 license = "Apache-2.0 WITH LLVM-exception"
 documentation = "https://cranelift.readthedocs.io/"
@@ -12,8 +12,8 @@ keywords = ["optimize", "compile", "compiler", "jit"]
 edition = "2018"
 
 [dependencies]
-cranelift-codegen = { path = "../cranelift-codegen", version = "0.39.0", default-features = false }
-cranelift-entity = { path = "../cranelift-entity", version = "0.39.0", default-features = false }
+cranelift-codegen = { path = "../cranelift-codegen", version = "0.40.0", default-features = false }
+cranelift-entity = { path = "../cranelift-entity", version = "0.40.0", default-features = false }
 # This is commented out because it doesn't build on Rust 1.25.0, which
 # cranelift currently supports.
 # rustc_apfloat = { version = "0.1.2", default-features = false }
diff --git a/cranelift/publish-all.sh b/cranelift/publish-all.sh
index 7fcabe49ea..c178a6e060 100755
--- a/cranelift/publish-all.sh
+++ b/cranelift/publish-all.sh
@@ -9,7 +9,7 @@ topdir=$(dirname "$0")
 cd "$topdir"
 
 # All the cranelift-* crates have the same version number
-version="0.39.0"
+version="0.40.0"
 
 # Update all of the Cargo.toml files.
 #
@@ -47,5 +47,5 @@ do
 
     # Sleep for a few seconds to allow the server to update the index.
     # https://internals.rust-lang.org/t/changes-to-how-crates-io-handles-index-updates/9608
-    echo sleep 3
+    echo sleep 10
 done
diff --git a/cranelift/reader/Cargo.toml b/cranelift/reader/Cargo.toml
index 6cf4e345a2..433dc1f539 100644
--- a/cranelift/reader/Cargo.toml
+++ b/cranelift/reader/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 authors = ["The Cranelift Project Developers"]
 name = "cranelift-reader"
-version = "0.39.0"
+version = "0.40.0"
 description = "Cranelift textual IR reader"
 license = "Apache-2.0 WITH LLVM-exception"
 documentation = "https://cranelift.readthedocs.io/"
@@ -10,7 +10,7 @@ readme = "README.md"
 edition = "2018"
 
 [dependencies]
-cranelift-codegen = { path = "../cranelift-codegen", version = "0.39.0" }
+cranelift-codegen = { path = "../cranelift-codegen", version = "0.40.0" }
 target-lexicon = "0.4.0"
 
 [badges]
diff --git a/cranelift/serde/Cargo.toml b/cranelift/serde/Cargo.toml
index f1477d641e..7b63d2be90 100644
--- a/cranelift/serde/Cargo.toml
+++ b/cranelift/serde/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cranelift-serde"
-version = "0.39.0"
+version = "0.40.0"
 authors = ["The Cranelift Project Developers"]
 description = "Serializer/Deserializer for Cranelift IR"
 repository = "https://github.com/CraneStation/cranelift"
@@ -18,8 +18,8 @@ clap = "2.32.0"
 serde = "1.0.8"
 serde_derive = "1.0.75"
 serde_json = "1.0.26"
-cranelift-codegen = { path = "../cranelift-codegen", version = "0.39.0" }
-cranelift-reader = { path = "../cranelift-reader", version = "0.39.0" }
+cranelift-codegen = { path = "../cranelift-codegen", version = "0.40.0" }
+cranelift-reader = { path = "../cranelift-reader", version = "0.40.0" }
 
 [badges]
 maintenance = { status = "experimental" }
diff --git a/cranelift/simplejit/Cargo.toml b/cranelift/simplejit/Cargo.toml
index 51f308bc1d..7dd767f497 100644
--- a/cranelift/simplejit/Cargo.toml
+++ b/cranelift/simplejit/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cranelift-simplejit"
-version = "0.39.0"
+version = "0.40.0"
 authors = ["The Cranelift Project Developers"]
 description = "A simple JIT library backed by Cranelift"
 repository = "https://github.com/CraneStation/cranelift"
@@ -10,9 +10,9 @@ readme = "README.md"
 edition = "2018"
 
 [dependencies]
-cranelift-codegen = { path = "../cranelift-codegen", version = "0.39.0" }
-cranelift-module = { path = "../cranelift-module", version = "0.39.0" }
-cranelift-native = { path = "../cranelift-native", version = "0.39.0" }
+cranelift-codegen = { path = "../cranelift-codegen", version = "0.40.0" }
+cranelift-module = { path = "../cranelift-module", version = "0.40.0" }
+cranelift-native = { path = "../cranelift-native", version = "0.40.0" }
 region = "2.0.0"
 libc = { version = "0.2.42" }
 errno = "0.2.4"
@@ -27,9 +27,9 @@ selinux-fix = ['memmap']
 default = []
 
 [dev-dependencies]
-cranelift = { path = "../cranelift-umbrella", version = "0.39.0" }
-cranelift-frontend = { path = "../cranelift-frontend", version = "0.39.0" }
-cranelift-entity = { path = "../cranelift-entity", version = "0.39.0" }
+cranelift = { path = "../cranelift-umbrella", version = "0.40.0" }
+cranelift-frontend = { path = "../cranelift-frontend", version = "0.40.0" }
+cranelift-entity = { path = "../cranelift-entity", version = "0.40.0" }
 
 [badges]
 maintenance = { status = "experimental" }
diff --git a/cranelift/umbrella/Cargo.toml b/cranelift/umbrella/Cargo.toml
index ecca29146d..78cc0cde91 100644
--- a/cranelift/umbrella/Cargo.toml
+++ b/cranelift/umbrella/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 authors = ["The Cranelift Project Developers"]
 name = "cranelift"
-version = "0.39.0"
+version = "0.40.0"
 description = "Umbrella for commonly-used cranelift crates"
 license = "Apache-2.0 WITH LLVM-exception"
 documentation = "https://cranelift.readthedocs.io/"
@@ -12,8 +12,8 @@ keywords = ["compile", "compiler", "jit"]
 edition = "2018"
 
 [dependencies]
-cranelift-codegen = { path = "../cranelift-codegen", version = "0.39.0", default-features = false }
-cranelift-frontend = { path = "../cranelift-frontend", version = "0.39.0", default-features = false }
+cranelift-codegen = { path = "../cranelift-codegen", version = "0.40.0", default-features = false }
+cranelift-frontend = { path = "../cranelift-frontend", version = "0.40.0", default-features = false }
 
 [features]
 default = ["std"]
diff --git a/cranelift/wasm/Cargo.toml b/cranelift/wasm/Cargo.toml
index b4f3b05c8a..3a90de6ccc 100644
--- a/cranelift/wasm/Cargo.toml
+++ b/cranelift/wasm/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cranelift-wasm"
-version = "0.39.0"
+version = "0.40.0"
 authors = ["The Cranelift Project Developers"]
 description = "Translator from WebAssembly to Cranelift IR"
 repository = "https://github.com/CraneStation/cranelift"
@@ -12,9 +12,9 @@ edition = "2018"
 
 [dependencies]
 wasmparser = { version = "0.36.0", default-features = false }
-cranelift-codegen = { path = "../cranelift-codegen", version = "0.39.0", default-features = false }
-cranelift-entity = { path = "../cranelift-entity", version = "0.39.0", default-features = false }
-cranelift-frontend = { path = "../cranelift-frontend", version = "0.39.0", default-features = false }
+cranelift-codegen = { path = "../cranelift-codegen", version = "0.40.0", default-features = false }
+cranelift-entity = { path = "../cranelift-entity", version = "0.40.0", default-features = false }
+cranelift-frontend = { path = "../cranelift-frontend", version = "0.40.0", default-features = false }
 hashmap_core = { version = "0.1.9", optional = true }
 failure = { version = "0.1.1", default-features = false, features = ["derive"] }
 failure_derive = { version = "0.1.1", default-features = false }