diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index dbb32bf..6691374 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        hg: [ '5.5', '5.6', '5.7', '5.8', '5.9', '6.0', '6.1', '6.2' ]
+        hg: [ '5.5', '5.6', '5.7', '5.8', '5.9', '6.0', '6.1', '6.2', '6.3' ]
     env:
       HG_VERSION: ${{ matrix.hg }}
     steps:
diff --git a/tools/versions.txt b/tools/versions.txt
index 8ac50b3..30357df 100644
--- a/tools/versions.txt
+++ b/tools/versions.txt
@@ -47,4 +47,6 @@ hg:6.0 hggit:0.10.2 dulwich:0.20.0 # 2021_11
 hg:6.1 hggit:0.10.2 dulwich:0.20.0 # 2022_02
 hg:6.2 hggit:0.10.2 dulwich:0.20.0 # 2022_07
 
-hg:6.2 hggit:1.0.0 dulwich:0.20.45 # latest
+hg:6.3 hggit:1.0.1 dulwich:0.20.50
+
+# hg:6.3 hggit:1.0.1 dulwich:0.21.3 # latest