diff --git a/.github/workflows/ci-benchmarks.yml b/.github/workflows/ci-benchmarks.yml
index 19b863f..004d4b6 100644
--- a/.github/workflows/ci-benchmarks.yml
+++ b/.github/workflows/ci-benchmarks.yml
@@ -15,7 +15,7 @@ jobs:
   allocations:
     name: Allocation Thresholds
     runs-on: ubuntu-latest
-    container: swift:6.4.1
+    container: swift:6.4.2
     steps:
       - name: Checkout
         uses: actions/checkout@v7
diff --git a/.github/workflows/ci-cross.yml b/.github/workflows/ci-cross.yml
index e4b67a3..be5a5a1 100644
--- a/.github/workflows/ci-cross.yml
+++ b/.github/workflows/ci-cross.yml
@@ -17,7 +17,7 @@ jobs:
   musl:
     name: Static Linux (Musl)
     runs-on: ubuntu-latest
-    container: swift:6.4.1
+    container: swift:6.4.2
     steps:
       - name: Checkout
         uses: actions/checkout@v7
@@ -34,7 +34,7 @@ jobs:
   wasm:
     name: WebAssembly (WASI)
     runs-on: ubuntu-latest
-    container: swift:6.4.1
+    container: swift:6.4.2
     steps:
       - name: Checkout
         uses: actions/checkout@v7
@@ -53,7 +53,7 @@ jobs:
   android:
     name: Android
     runs-on: ubuntu-latest
-    container: swift:6.4.1
+    container: swift:6.4.2
     steps:
       - name: Checkout
         uses: actions/checkout@v7