diff --git a/spring-cloud-config-server/src/main/java/org/springframework/cloud/config/server/environment/JGitEnvironmentRepository.java b/spring-cloud-config-server/src/main/java/org/springframework/cloud/config/server/environment/JGitEnvironmentRepository.java
index a9184b2a..93e80e9d 100644
--- a/spring-cloud-config-server/src/main/java/org/springframework/cloud/config/server/environment/JGitEnvironmentRepository.java
+++ b/spring-cloud-config-server/src/main/java/org/springframework/cloud/config/server/environment/JGitEnvironmentRepository.java
@@ -113,7 +113,7 @@ public class JGitEnvironmentRepository extends AbstractScmEnvironmentRepository
 	}
 
 	@Override
-	public Locations getLocations(String application, String profile, String label) {
+	public synchronized Locations getLocations(String application, String profile, String label) {
 		if (label==null) {
 			label = this.defaultLabel;
 		}
diff --git a/spring-cloud-config-server/src/main/java/org/springframework/cloud/config/server/environment/SvnKitEnvironmentRepository.java b/spring-cloud-config-server/src/main/java/org/springframework/cloud/config/server/environment/SvnKitEnvironmentRepository.java
index 2c0b583d..5c42e44c 100644
--- a/spring-cloud-config-server/src/main/java/org/springframework/cloud/config/server/environment/SvnKitEnvironmentRepository.java
+++ b/spring-cloud-config-server/src/main/java/org/springframework/cloud/config/server/environment/SvnKitEnvironmentRepository.java
@@ -59,7 +59,7 @@ public class SvnKitEnvironmentRepository extends AbstractScmEnvironmentRepositor
 	}
 
 	@Override
-	public Locations getLocations(String application, String profile, String label) {
+	public synchronized Locations getLocations(String application, String profile, String label) {
 		if (label==null) {
 			label = this.defaultLabel;
 		}