diff --git a/build-tools-internal/src/main/java/org/elasticsearch/gradle/internal/ElasticsearchTestBasePlugin.java b/build-tools-internal/src/main/java/org/elasticsearch/gradle/internal/ElasticsearchTestBasePlugin.java
index 3fd59dc7a95f1..7a831fbcc1464 100644
--- a/build-tools-internal/src/main/java/org/elasticsearch/gradle/internal/ElasticsearchTestBasePlugin.java
+++ b/build-tools-internal/src/main/java/org/elasticsearch/gradle/internal/ElasticsearchTestBasePlugin.java
@@ -185,8 +185,8 @@ public void execute(Task t) {
             });
 
             if (OS.current().equals(OS.WINDOWS) && System.getProperty("tests.timeoutSuite") == null) {
-                // override the suite timeout to 30 mins for windows, because it has the most inefficient filesystem known to man
-                test.systemProperty("tests.timeoutSuite", "2400000!");
+                // override the suite timeout to 60 mins for windows, because it has the most inefficient filesystem known to man
+                test.systemProperty("tests.timeoutSuite", "3600000!");
             }
 
             /*