diff --git a/HISTORY.md b/HISTORY.md
index a385dd7..8e56f41 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [v4.5](https://github.com/tj-actions/branch-names/tree/v4.5) (2021-07-01)
+
+[Full Changelog](https://github.com/tj-actions/branch-names/compare/v4.4...v4.5)
+
+**Merged pull requests:**
+
+- Upgraded to v4.4 [\#65](https://github.com/tj-actions/branch-names/pull/65) ([jackton1](https://github.com/jackton1))
+
 ## [v4.4](https://github.com/tj-actions/branch-names/tree/v4.4) (2021-07-01)
 
 [Full Changelog](https://github.com/tj-actions/branch-names/compare/v4.3...v4.4)
diff --git a/README.md b/README.md
index 49d5eb1..2e9ecf5 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ on:
     steps:
       - name: Get branch names
         id: branch-name
-        uses: tj-actions/branch-names@v4.4
+        uses: tj-actions/branch-names@v4.5
         
       - name: Running on the default branch.
         if: steps.branch-name.outputs.is_default == 'true'
@@ -65,7 +65,7 @@ on:
     steps:
       - name: Get branch names
         id: branch-name
-        uses: tj-actions/branch-names@v4.4
+        uses: tj-actions/branch-names@v4.5
 
       - name: Running on the default branch.
         if: steps.branch-name.outputs.is_default == 'true'
@@ -147,7 +147,7 @@ on:
     steps:
       - name: Get branch names.
         id: branch-names
-        uses: tj-actions/branch-names@v4.4
+        uses: tj-actions/branch-names@v4.5
       - uses: actions/checkout@v2
         with:
           ref: ${{ steps.branch-names.outputs.head_ref_branch }}