diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index b09809c..79ecba3 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -51,7 +51,7 @@ jobs:
         if: matrix.tool == 'opentofu'
         uses: opentofu/setup-opentofu@v2
         with:
-          tofu_version: 1.12.5 # datasource=github-releases depName=opentofu/opentofu
+          tofu_version: 1.12.6 # datasource=github-releases depName=opentofu/opentofu
           tofu_wrapper: false
 
       # GoReleaser comes from mise rather than goreleaser-action so its version
diff --git a/.opentofu-version b/.opentofu-version
index e0a6b34..456e5c4 100644
--- a/.opentofu-version
+++ b/.opentofu-version
@@ -1 +1 @@
-1.12.5
+1.12.6