diff --git a/config/open_jdk_jre.yml b/config/open_jdk_jre.yml
index e129a38832..f7f62fda03 100644
--- a/config/open_jdk_jre.yml
+++ b/config/open_jdk_jre.yml
@@ -17,13 +17,13 @@
 # From Java 1.8 onwards, metaspace should be used instead of permgen.  Please see the documentation for more detail.
 ---
 repository_root: "{default.repository.root}/openjdk/{platform}/{architecture}"
-version: 1.7.0_+
+version: 1.8.0_+
 memory_sizes:
-  # metaspace: 64m..
-  permgen: 64m..
+  metaspace: 64m..
+  # permgen: 64m..
 memory_heuristics:
   heap: 75
-  # metaspace: 10
-  permgen: 10
+  metaspace: 10
+  # permgen: 10
   stack: 5
   native: 10
diff --git a/config/oracle_jre.yml b/config/oracle_jre.yml
index 098526bae2..e6bb64ee38 100644
--- a/config/oracle_jre.yml
+++ b/config/oracle_jre.yml
@@ -20,13 +20,13 @@
 # e.g.  repository_root: "http://example.com/oracle-jre/{platform}/{architecture}"
 
 repository_root: ""
-version: 1.7.0_+
+version: 1.8.0_+
 memory_sizes:
-  # metaspace: 64m..
-  permgen: 64m..
+  metaspace: 64m..
+  # permgen: 64m..
 memory_heuristics:
   heap: 75
-  # metaspace: 10
-  permgen: 10
+  metaspace: 10
+  # permgen: 10
   stack: 5
   native: 10