diff --git a/concourse/loofah-pr.yml.generated b/concourse/loofah-pr.yml.generated
index 4bc30ab2..06315c9e 100644
--- a/concourse/loofah-pr.yml.generated
+++ b/concourse/loofah-pr.yml.generated
@@ -41,44 +41,15 @@ jobs:
         trigger: true
         version: every
         passed:
-          - ruby-2.3-pr
           - ruby-2.4-pr
           - ruby-2.5-pr
           - ruby-2.6-pr
-          - ruby-2.7-rc-pr
+          - ruby-2.7-pr
       - put: loofah-pr
         params:
           path: loofah-pr
           status: success
 
-  - name: ruby-2.3-pr
-    public: true
-    serial_groups: ["ruby-pr"]
-    plan:
-      - get: ci
-      - get: loofah-pr
-        trigger: true
-        version: every
-        passed: [pr-pending]
-      - task: rake-test
-        config:
-          image_resource:
-            type: docker-image
-            source: {repository: ruby, tag: "2.3"}
-          platform: linux
-          inputs:
-            - name: ci
-            - name: loofah-pr
-              path: loofah
-          params:
-            NOKOGIRI_USE_SYSTEM_LIBRARIES: t
-          run:
-            path: ci/concourse/tasks/rake-test/run.sh
-        on_failure:
-          put: loofah-pr
-          params:
-            path: loofah-pr
-            status: failure
   - name: ruby-2.4-pr
     public: true
     serial_groups: ["ruby-pr"]
@@ -163,7 +134,7 @@ jobs:
           params:
             path: loofah-pr
             status: failure
-  - name: ruby-2.7-rc-pr
+  - name: ruby-2.7-pr
     public: true
     serial_groups: ["ruby-pr"]
     plan:
@@ -176,7 +147,7 @@ jobs:
         config:
           image_resource:
             type: docker-image
-            source: {repository: ruby, tag: "2.7-rc"}
+            source: {repository: ruby, tag: "2.7"}
           platform: linux
           inputs:
             - name: ci
diff --git a/concourse/loofah.yml.generated b/concourse/loofah.yml.generated
index 66cbd4a1..e185f12e 100644
--- a/concourse/loofah.yml.generated
+++ b/concourse/loofah.yml.generated
@@ -16,26 +16,6 @@ resources:
       ignore_paths: ["CHANGELOG.md","README.md","concourse/**"]
 
 jobs:
-  - name: ruby-2.3
-    public: true
-    serial_groups: ["ruby"]
-    plan:
-      - get: ci
-      - get: loofah
-        trigger: true
-      - task: rake-test
-        config:
-          image_resource:
-            type: docker-image
-            source: {repository: ruby, tag: "2.3"}
-          platform: linux
-          inputs:
-            - name: ci
-            - name: loofah
-          params:
-            NOKOGIRI_USE_SYSTEM_LIBRARIES: t
-          run:
-            path: ci/concourse/tasks/rake-test/run.sh
   - name: ruby-2.4
     public: true
     serial_groups: ["ruby"]
@@ -96,7 +76,7 @@ jobs:
             NOKOGIRI_USE_SYSTEM_LIBRARIES: t
           run:
             path: ci/concourse/tasks/rake-test/run.sh
-  - name: ruby-2.7-rc
+  - name: ruby-2.7
     public: true
     serial_groups: ["ruby"]
     plan:
@@ -107,7 +87,7 @@ jobs:
         config:
           image_resource:
             type: docker-image
-            source: {repository: ruby, tag: "2.7-rc"}
+            source: {repository: ruby, tag: "2.7"}
           platform: linux
           inputs:
             - name: ci
@@ -117,26 +97,6 @@ jobs:
           run:
             path: ci/concourse/tasks/rake-test/run.sh
 
-  - name: jruby-9.1
-    public: true
-    serial_groups: ["jruby"]
-    plan:
-      - get: ci
-      - get: loofah
-        trigger: true
-      - task: rake-test
-        config:
-          image_resource:
-            type: docker-image
-            source: {repository: jruby, tag: "9.1-jdk"}
-          platform: linux
-          inputs:
-            - name: ci
-            - name: loofah
-          params:
-            JAVA_OPTS: "-Dfile.encoding=UTF8" # https://github.com/docker-library/openjdk/issues/32
-          run:
-            path: ci/concourse/tasks/rake-test/run.sh
   - name: jruby-9.2
     public: true
     serial_groups: ["jruby"]