diff --git a/base-runtime.yaml b/base-runtime.yaml
index 04c442a..c70db67 100644
--- a/base-runtime.yaml
+++ b/base-runtime.yaml
@@ -822,10 +822,10 @@ data:
             gawk:
                 rationale: Autogenerated from sampledata.
                 ref: 63f2ac8ac41274519602f03ef1f718ae0b2c8e4d
-            # gc-7.6.0-3.fc27
+            # gc-7.6.0-4.fc27
             gc:
                 rationale: Autogenerated from sampledata.
-                ref: 5d30852fcf57f2d0a842a6089522aba18146a900
+                ref: 8bc52279636e902951535362d03cb4b0cb479452
             # gcc-7.0.1-0.10.fc26
             gcc:
                 rationale: Autogenerated from sampledata.