diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6c90641..9db368c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -87,6 +87,12 @@ jobs:
         run: nix build --keep-going -L ${{ inputs.packages }}
         if: ${{ inputs.packages != '' }}
 
+      - name: set GITHUB_TOKEN
+        if: ${{ inputs.upterm }}
+        run: echo "GITHUB_TOKEN=${GITHUB_TOKEN}" >> "$GITHUB_ENV"
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+
       - name: start upterm session
         if: ${{ inputs.upterm }}
         uses: owenthereal/action-upterm@v1