diff --git a/.github/workflows/simod.yml b/.github/workflows/simod.yml
index 445457e1..c86c8b80 100644
--- a/.github/workflows/simod.yml
+++ b/.github/workflows/simod.yml
@@ -118,7 +118,7 @@ jobs:
     name: Release, Python ${{ matrix.python-version }}
     needs: [ test ]
     runs-on: ubuntu-latest
-    if: github.ref == 'refs/heads/main'
+    if: github.ref == 'refs/heads/master'
     strategy:
       matrix:
         python-version: [ '3.9' ]
diff --git a/pyproject.toml b/pyproject.toml
index 7df494d2..6a020991 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "simod"
-version = "5.1.1"
+version = "5.1.2"
 authors = [
     "Ihar Suvorau <ihar.suvorau@gmail.com>",
     "David Chapela <david.chapela@ut.ee>",