diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5ef1952..1cce2aa 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        hg: [ '6.0', '6.1', '6.2', '6.3', '6.4', '6.5', '6.6', '6.7', '6.8', '6.9' ]
+        hg: [ '6.0', '6.1', '6.2', '6.3', '6.4', '6.5', '6.6', '6.7', '6.8', '6.9', '7.0' ]
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
diff --git a/tools/versions.txt b/tools/versions.txt
index d8d86b7..204a84b 100644
--- a/tools/versions.txt
+++ b/tools/versions.txt
@@ -28,3 +28,4 @@
 6.7
 6.8
 6.9
+7.0