diff --git a/Makefile.in b/Makefile.in
index 1488e13ce7a..879a2bb31b5 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -29,7 +29,7 @@ RUSTLIBS = \
 	-L src/rust-layers \
 	-L src/rust-http-client \
 	-L src/rust-hubbub \
-	-L src/rust-rust-core-foundation \
+	-L src/rust-core-foundation \
 	$(NULL)
 
 RUST_SRC=$(shell find $(VPATH)/src -type f -name '*.rs')
diff --git a/src/rust-core-foundation b/src/rust-core-foundation
index f0bda24a032..ac7115cc7e1 160000
--- a/src/rust-core-foundation
+++ b/src/rust-core-foundation
@@ -1 +1 @@
-Subproject commit f0bda24a03245e2f917b287d5d850621d2d56c56
+Subproject commit ac7115cc7e1dd26b629c289fa527e5d40aa07d2e
diff --git a/src/rust-io-surface b/src/rust-io-surface
index 8e3eb37945e..7b77ca7b9fc 160000
--- a/src/rust-io-surface
+++ b/src/rust-io-surface
@@ -1 +1 @@
-Subproject commit 8e3eb37945e1c7ce72dd7bd483be262708bc6853
+Subproject commit 7b77ca7b9fc96366b4ab07ad6609236d2ebe5afa