diff --git a/.github/workflows/test-authnz.yaml b/.github/workflows/test-authnz.yaml
index 4242656771f2..5be95166ab47 100644
--- a/.github/workflows/test-authnz.yaml
+++ b/.github/workflows/test-authnz.yaml
@@ -30,11 +30,11 @@ jobs:
       fail-fast: false
       matrix:
         erlang_version:
-        - "26.2"
+        - "27.3"
         browser:
         - chrome
         include:
-        - erlang_version: "26.2"
+        - erlang_version: "27.3"
           elixir_version: 1.17.3
     env:
       SELENIUM_DIR: selenium
diff --git a/.github/workflows/test-make.yaml b/.github/workflows/test-make.yaml
index fb043c613e01..eddf299b536c 100644
--- a/.github/workflows/test-make.yaml
+++ b/.github/workflows/test-make.yaml
@@ -62,8 +62,7 @@ jobs:
       fail-fast: false
       matrix:
         erlang_version:
-        - '26'
-##        - '27'
+        - '27'
         elixir_version:
         - '1.17'
         metadata_store:
@@ -82,8 +81,7 @@ jobs:
       fail-fast: false
       matrix:
         erlang_version:
-        - '26'
-##        - '27'
+        - '27'
         elixir_version:
         - '1.17'
         metadata_store:
diff --git a/.github/workflows/test-management-ui-for-pr.yaml b/.github/workflows/test-management-ui-for-pr.yaml
index 06b7b209b3fa..73efdb8bb3c3 100644
--- a/.github/workflows/test-management-ui-for-pr.yaml
+++ b/.github/workflows/test-management-ui-for-pr.yaml
@@ -15,11 +15,11 @@ jobs:
       fail-fast: false
       matrix:
         erlang_version:
-        - "26.2"
+        - "27.3"
         browser:
         - chrome
         include:
-        - erlang_version: "26.2"
+        - erlang_version: "27.3"
           elixir_version: 1.17
     env:
       SELENIUM_DIR: selenium
diff --git a/.github/workflows/test-management-ui.yaml b/.github/workflows/test-management-ui.yaml
index 2632b3319014..f95fed276bb6 100644
--- a/.github/workflows/test-management-ui.yaml
+++ b/.github/workflows/test-management-ui.yaml
@@ -22,11 +22,11 @@ jobs:
       fail-fast: false
       matrix:
         erlang_version:
-        - "26.2"
+        - "27.3"
         browser:
         - chrome
         include:
-        - erlang_version: "26.2"
+        - erlang_version: "27.3"
           elixir_version: 1.17.3
     env:
       SELENIUM_DIR: selenium