diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d6e475d..d0b7da5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
     #    docker pull nimlang/nim:${{ matrix.nim }}
     #    docker run --rm -v `pwd`:/usr/src/app -w /usr/src/app nimlang/nim:${{ matrix.nim }} /bin/bash -c "git config --global --add safe.directory /usr/src/app; nimble install -y; nimble test"
     - name: Build docs
-      if: matrix.nim == '2.0.0'
+      if: matrix.nim == '1.6.14'
       run: |
         docker pull nimlang/nim:${{ matrix.nim }}
         docker run --rm -v `pwd`:/usr/src/app -w /usr/src/app nimlang/nim:${{ matrix.nim }} /bin/bash -c "git config --global --add safe.directory /usr/src/app; nimble install -y; nimble docs"
@@ -31,7 +31,7 @@ jobs:
       # and remove `github.ref == 'refs/heads/master'` below
       if: |
         github.event_name == 'push' && github.ref == 'refs/heads/master' &&
-        matrix.nim == '2.0.0'
+        matrix.nim == '1.6.14'
       uses: crazy-max/ghaction-github-pages@v1
       with:
         build_dir: docs