diff --git a/fiat-github/src/main/java/com/netflix/spinnaker/fiat/roles/github/GitHubProperties.java b/fiat-github/src/main/java/com/netflix/spinnaker/fiat/roles/github/GitHubProperties.java
index 2ae0756b0..121668595 100644
--- a/fiat-github/src/main/java/com/netflix/spinnaker/fiat/roles/github/GitHubProperties.java
+++ b/fiat-github/src/main/java/com/netflix/spinnaker/fiat/roles/github/GitHubProperties.java
@@ -29,5 +29,5 @@ public class GitHubProperties {
   @Min(1L)
   Integer paginationValue = 100;
   @NotNull
-  Integer membershipCacheTTLSeconds = 60 * 1000;
+  Integer membershipCacheTTLSeconds = 60 * 60; // 1 hour
 }