diff --git a/.github/labeler.yml b/.github/labeler.yml
index 1ecb46fe86..58899c25dd 100644
--- a/.github/labeler.yml
+++ b/.github/labeler.yml
@@ -19,7 +19,7 @@
 
 "cranelift":
   - "cranelift/**"
-  
+
 "cranelift:area:machinst":
   - "cranelift/codegen/src/machinst/**"
 
@@ -53,8 +53,11 @@
   - "crates/fuzzing/**"
   - "fuzz/**"
 
-"lightbeam":
-  - "crates/lightbeam/**"
+"isle":
+  - "cranelift/isle/**"
+  - "**.isle"
+  - "cranelift/codegen/src/isa/x64/lower/isle.rs"
+  - "cranelift/codegen/src/isa/x64/lower/isle/**"
 
 "wasi":
   - "crates/wasi/**"
diff --git a/.github/subscribe-to-label.json b/.github/subscribe-to-label.json
index 034999eb20..eb7b60bb41 100644
--- a/.github/subscribe-to-label.json
+++ b/.github/subscribe-to-label.json
@@ -1,5 +1,6 @@
 {
-  "fitzgen": ["fuzzing", "cranelift:area:peepmatic", "wasmtime:ref-types"],
+  "cfallin": ["isle"],
+  "fitzgen": ["cranelift:area:peepmatic", "fuzzing", "isle", "wasmtime:ref-types"],
   "peterhuene": ["wasmtime:api", "wasmtime:c-api"],
   "kubkon": ["wasi"]
 }