diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d6e553f88..4581b5b10 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -66,7 +66,7 @@ jobs:
         shell: bash
 
       - name: Install Crystal
-        uses: crystal-lang/install-crystal@v1.9.3
+        uses: crystal-lang/install-crystal@v1.9.4
         with:
           crystal: ${{ matrix.crystal }}
 
@@ -138,7 +138,7 @@ jobs:
 
       - name: Install Crystal
         id: lint_step_install_crystal
-        uses: crystal-lang/install-crystal@v1.9.3
+        uses: crystal-lang/install-crystal@v1.9.4
         with:
           crystal: 1.22.0