diff --git a/HISTORY.md b/HISTORY.md
index 64f3aea..85a1ab8 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,8 +1,16 @@
 # Changelog
 
-## [v4.9](https://github.com/tj-actions/branch-names/tree/v4.9) (2021-08-23)
+## [v5](https://github.com/tj-actions/branch-names/tree/v5) (2021-09-14)
 
-[Full Changelog](https://github.com/tj-actions/branch-names/compare/v4.8...v4.9)
+[Full Changelog](https://github.com/tj-actions/branch-names/compare/v4.9...v5)
+
+**Implemented enhancements:**
+
+- 🙏🙏🙏🙏🙏 Thanks for making this 👏👏👏👏 [\#87](https://github.com/tj-actions/branch-names/issues/87)
+
+**Fixed bugs:**
+
+- \[BUG\] Action fails when branch name contains parentheses  [\#88](https://github.com/tj-actions/branch-names/issues/88)
 
 **Closed issues:**
 
@@ -10,6 +18,19 @@
 
 **Merged pull requests:**
 
+- Update README.md [\#90](https://github.com/tj-actions/branch-names/pull/90) ([jackton1](https://github.com/jackton1))
+- Escape valid branch names [\#89](https://github.com/tj-actions/branch-names/pull/89) ([jackton1](https://github.com/jackton1))
+- Update pascalgn/automerge-action action to v0.14.3 [\#86](https://github.com/tj-actions/branch-names/pull/86) ([renovate[bot]](https://github.com/apps/renovate))
+- Updated README.md [\#85](https://github.com/tj-actions/branch-names/pull/85) ([jackton1](https://github.com/jackton1))
+- Update peter-evans/create-pull-request action to v3.10.1 [\#83](https://github.com/tj-actions/branch-names/pull/83) ([renovate[bot]](https://github.com/apps/renovate))
+- Upgraded to v4.9 [\#82](https://github.com/tj-actions/branch-names/pull/82) ([jackton1](https://github.com/jackton1))
+
+## [v4.9](https://github.com/tj-actions/branch-names/tree/v4.9) (2021-08-23)
+
+[Full Changelog](https://github.com/tj-actions/branch-names/compare/v4.8...v4.9)
+
+**Merged pull requests:**
+
 - Updated README.md [\#81](https://github.com/tj-actions/branch-names/pull/81) ([jackton1](https://github.com/jackton1))
 - docs: add loarca as a contributor for code [\#80](https://github.com/tj-actions/branch-names/pull/80) ([allcontributors[bot]](https://github.com/apps/allcontributors))
 - Update 'current\_branch' output to strip tag prefix [\#79](https://github.com/tj-actions/branch-names/pull/79) ([loarca](https://github.com/loarca))
diff --git a/README.md b/README.md
index 06d507e..e1cc960 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ on:
     steps:
       - name: Get branch name
         id: branch-name
-        uses: tj-actions/branch-names@v4.9
+        uses: tj-actions/branch-names@v5
         
       - name: Running on the default branch.
         if: steps.branch-name.outputs.is_default == 'true'
@@ -86,7 +86,7 @@ on:
     steps:
       - name: Get branch names
         id: branch-name
-        uses: tj-actions/branch-names@v4.9
+        uses: tj-actions/branch-names@v5
 
       - name: Current branch name
         run: |
@@ -123,7 +123,7 @@ on:
     steps:
       - name: Get branch names
         id: branch-name
-        uses: tj-actions/branch-names@v4.9
+        uses: tj-actions/branch-names@v5
       
       - name: Current branch name
         run: |
@@ -170,7 +170,7 @@ on:
     steps:
       - name: Get branch names
         id: branch-name
-        uses: tj-actions/branch-names@v4.9
+        uses: tj-actions/branch-names@v5
      
       - name: Running on a tag branch.
         if: steps.branch-name.outputs.is_tag == 'true'
@@ -209,7 +209,7 @@ on:
     steps:
       - name: Get branch names.
         id: branch-names
-        uses: tj-actions/branch-names@v4.9
+        uses: tj-actions/branch-names@v5
       - uses: actions/checkout@v2
         with:
           ref: ${{ steps.branch-names.outputs.head_ref_branch }}