diff --git a/.github/workflows/5_0_6.yml b/.github/workflows/5_1_2.yml
similarity index 99%
rename from .github/workflows/5_0_6.yml
rename to .github/workflows/5_1_2.yml
index b4048d9..5ddc1c0 100644
--- a/.github/workflows/5_0_6.yml
+++ b/.github/workflows/5_1_2.yml
@@ -1,8 +1,8 @@
-name: Tests 5.0.6
+name: Tests 5.1.2
 
 env:
   PLUGIN_NAME: redmine_sudo
-  REDMINE_VERSION: 5.0.6
+  REDMINE_VERSION: 5.1.2
   RAILS_ENV: test
 
 on:
diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index b26fcb7..7a714f8 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        ruby: ['2.7']
+        ruby: ['3.2']
         db: ['postgres']
       fail-fast: false
 
diff --git a/README.md b/README.md
index 621ca83..3058324 100644
--- a/README.md
+++ b/README.md
@@ -45,11 +45,11 @@ Test status
 
 |Plugin branch| Redmine Version | Test Status       |
 |-------------|-----------------|-------------------|
-|master       | 5.0.6           | [![5.0.6][1]][5]  |
+|master       | 5.1.2           | [![5.1.2][1]][5]  |
 |master       | 4.2.11          | [![4.2.11][2]][5] |
 |master       | master          | [![master][4]][5] |
 
-[1]: https://github.com/jbbarth/redmine_sudo/actions/workflows/5_0_6.yml/badge.svg
+[1]: https://github.com/jbbarth/redmine_sudo/actions/workflows/5_1_2.yml/badge.svg
 [2]: https://github.com/jbbarth/redmine_sudo/actions/workflows/4_2_11.yml/badge.svg
 [4]: https://github.com/jbbarth/redmine_sudo/actions/workflows/master.yml/badge.svg
 [5]: https://github.com/jbbarth/redmine_sudo/actions