diff --git a/bootstrap.yaml b/bootstrap.yaml
index ac003d5..1476d58 100644
--- a/bootstrap.yaml
+++ b/bootstrap.yaml
@@ -11369,10 +11369,10 @@ data:
             web-assets:
                 rationale: Autogenerated by Base Runtime tools.
                 ref: 332f9f7653db8f5fcf39ca5441de8ecb8ddd59fe
-            # webkitgtk4-2.16.2-2.fc27
+            # webkitgtk4-2.17.4-4.fc27
             webkitgtk4:
                 rationale: Autogenerated by Base Runtime tools.
-                ref: db8404586bd89ff628315e7be60933c3ff115bb6
+                ref: 09677f6049d2da1177c71a5af5b0ead58ccd6b0d
             # webrtc-audio-processing-0.3-2.fc26
             webrtc-audio-processing:
                 rationale: Autogenerated by Base Runtime tools.
@@ -11945,10 +11945,10 @@ data:
             gc:
                 rationale: Autogenerated by Base Runtime tools.
                 ref: 8bc52279636e902951535362d03cb4b0cb479452
-            # gcc-7.1.1-5.fc27
+            # gcc-7.1.1-6.fc27
             gcc:
                 rationale: Autogenerated by Base Runtime tools.
-                ref: f5843a4192ae8348257fa5df06f53475738f371b
+                ref: dc54e4f1537bc56700f3b3196cb85d903185ebcf
             # gdb-8.0-17.fc27
             gdb:
                 rationale: Autogenerated by Base Runtime tools.
@@ -11969,10 +11969,10 @@ data:
             glib2:
                 rationale: Autogenerated by Base Runtime tools.
                 ref: 9d1a02789c3eb20a6f8ead6fef11aec4cfcc0584
-            # glibc-2.25.90-25.fc27
+            # glibc-2.25.90-27.fc27
             glibc:
                 rationale: Autogenerated by Base Runtime tools.
-                ref: 705ca30d3e53c479a621475ef833a4507fe02326
+                ref: 37c3363a24efb70a9ee41b18f4bcc51222c0508d
             # gmp-6.1.2-4.fc27
             gmp:
                 rationale: Autogenerated by Base Runtime tools.