diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a2ac8bd7a..8abf25b6c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -91,10 +91,10 @@ jobs:
           echo "pkg_version=$NEXT_VERSION" >> $GITHUB_OUTPUT
           echo "::notice::Release $NEXT_VERSION created using branch $GITHUB_REF_NAME"
         else
-          echo "Using TEST mode: 10.0.0-dev.$GITHUB_RUN_NUMBER"
+          echo "Using TEST mode: 11.0.0-dev.$GITHUB_RUN_NUMBER"
           echo "should_deploy=false" >> $GITHUB_OUTPUT
-          echo "pkg_version=10.0.0-dev.$GITHUB_RUN_NUMBER" >> $GITHUB_OUTPUT
-          echo "::notice::Non-production build 10.0.0-dev.$GITHUB_RUN_NUMBER created using branch $GITHUB_REF_NAME"
+          echo "pkg_version=11.0.0-dev.$GITHUB_RUN_NUMBER" >> $GITHUB_OUTPUT
+          echo "::notice::Non-production build 11.0.0-dev.$GITHUB_RUN_NUMBER created using branch $GITHUB_REF_NAME"
         fi
 
   # -----------------------------------------------------------------
diff --git a/ietf/__init__.py b/ietf/__init__.py
index b0dad6c65..59f9802de 100644
--- a/ietf/__init__.py
+++ b/ietf/__init__.py
@@ -6,7 +6,7 @@ from . import checks                           # pyflakes:ignore
 
 # Version must stay in single quotes for automatic CI replace
 # Don't add patch number here:
-__version__ = '10.0.0-dev'
+__version__ = '11.0.0-dev'
 
 # Release hash must stay in single quotes for automatic CI replace
 __release_hash__ = ''