diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 260d1e7d..1cf6b4c6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -153,7 +153,7 @@ jobs:
 
       - name: Determine version (NBGV)
         id: nbgv
-        uses: dotnet/nbgv@071d632702496c9f570398fbf453c6545c2cf2f0 # node24 (unreleased past v0.5.1; pin SHA until v0.5.2 ships)
+        uses: dotnet/nbgv@81f7c98786b56d9fa30c96223e7147d9bb582ff7 # node24 (unreleased past v0.5.1; pin SHA until v0.5.2 ships)
         with:
           setAllVars: true
 
diff --git a/.github/workflows/pr-validation.yml b/.github/workflows/pr-validation.yml
index 61d6b5b0..e4dcb564 100644
--- a/.github/workflows/pr-validation.yml
+++ b/.github/workflows/pr-validation.yml
@@ -37,7 +37,7 @@ jobs:
 
       - name: Determine version (NBGV)
         id: nbgv
-        uses: dotnet/nbgv@071d632702496c9f570398fbf453c6545c2cf2f0 # node24 (unreleased past v0.5.1; pin SHA until v0.5.2 ships)
+        uses: dotnet/nbgv@81f7c98786b56d9fa30c96223e7147d9bb582ff7 # node24 (unreleased past v0.5.1; pin SHA until v0.5.2 ships)
         with:
           setAllVars: true