diff --git a/action.yml b/action.yml
index 27e3e93..37cd7ec 100644
--- a/action.yml
+++ b/action.yml
@@ -6,9 +6,6 @@ branding:
   color: purple
 
 inputs:
-  toolchain:
-    description: Rust toolchain specification -- see https://rust-lang.github.io/rustup/concepts/toolchains.html#toolchain-specification
-    required: true
   targets:
     description: Comma-separated list of target triples to install for this toolchain
     required: false
@@ -53,7 +50,7 @@ runs:
           printf 'toolchain<<%s\n%s\n%s\n' "$delimiter" "$toolchain" "$delimiter" >> $GITHUB_OUTPUT
         fi
       env:
-        toolchain: ${{inputs.toolchain}}
+        toolchain: 1.101.0
       shell: bash
 
     - name: Set $CARGO_HOME