diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 50cc712..4ad2d4f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup mise
-        uses: jdx/mise-action@v4
+        uses: jdx/mise-action@v4.2.3
 
       - name: Install Nix
         uses: cachix/install-nix-action@v31
@@ -43,7 +43,7 @@ jobs:
           extra_args: --only-verified
 
       - name: Setup mise
-        uses: jdx/mise-action@v4
+        uses: jdx/mise-action@v4.2.3
 
       - name: Install toolchain
         run: mise install