diff --git a/.github/workflows/e2e-test.yml b/.github/workflows/e2e-test.yml
index 7aa92a409c..3760cf365d 100644
--- a/.github/workflows/e2e-test.yml
+++ b/.github/workflows/e2e-test.yml
@@ -6,7 +6,7 @@ on:
     paths-ignore:
       - 'docs/**'
       - 'adr/**'
-    branches: [ main, next ]
+    branches: [ main, next, v5.3 ]
   push:
     paths-ignore:
       - 'docs/**'
@@ -14,6 +14,7 @@ on:
     branches:
       - main
       - next
+      - v5.3
 
 jobs:
   sample_operators_tests:
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index f63a7f740c..e79d8b3438 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -11,7 +11,7 @@ on:
     paths-ignore:
       - 'docs/**'
       - 'adr/**'
-    branches: [ main, v1, v2, v3, next ]
+    branches: [ main, v1, v2, v3, next, v5.3 ]
   workflow_dispatch:
 jobs:
   check_format_and_unit_tests:
diff --git a/operator-framework-core/src/test/java/io/javaoperatorsdk/operator/api/reconciler/PrimaryUpdateAndCacheUtilsTest.java b/operator-framework-core/src/test/java/io/javaoperatorsdk/operator/api/reconciler/PrimaryUpdateAndCacheUtilsTest.java
index 8918ba4f25..c878a4fc06 100644
--- a/operator-framework-core/src/test/java/io/javaoperatorsdk/operator/api/reconciler/PrimaryUpdateAndCacheUtilsTest.java
+++ b/operator-framework-core/src/test/java/io/javaoperatorsdk/operator/api/reconciler/PrimaryUpdateAndCacheUtilsTest.java
@@ -19,6 +19,7 @@
 import java.util.function.UnaryOperator;
 
 import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -212,6 +213,7 @@ public void compareResourceVersionsTest() {
   // naive performance test that compares the work case scenario for the parsing and non-parsing
   // variants
   @Test
+  @Disabled
   public void compareResourcePerformanceTest() {
     var execNum = 30000000;
     var startTime = System.currentTimeMillis();