diff --git a/Makefile.in b/Makefile.in
index 07ac1eeacfdc..7067d6e8a15e 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -69,6 +69,8 @@ SERVO_DEPS += \
 	src/rust-glut/librustglut.dummy \
 	src/rust-layers/librustlayers.dummy \
 	src/rust-http-client/libhttp_client.dummy \
+	src/libparserutils/libparserutils.dummy \
+	src/libhubbub/libhubbub.dummy \
 	$(NULL)
 
 CHECK_DEPS += \
@@ -145,6 +147,10 @@ rust-layers: src/rust-layers/librustlayers.dummy
 
 rust-http-client: src/rust-http-client/libhttp_client.dummy
 
+libparserutils: src/libparserutils/libparserutils.dummy
+
+libhubbub: src/libhubbub/libhubbub.dummy
+
 
 # Subproject rules
 
@@ -183,6 +189,12 @@ src/rust-layers/librustlayers.dummy: $(LAYERS_DEPS)
 src/rust-http-client/libhttp_client.dummy:
 	$(MAKE) -C src/rust-http-client
 
+src/libparserutils/libparserutils.dummy:
+	$(MAKE) -C src/libparserutils
+
+src/libhubbub/libhubbub.dummy:
+	$(MAKE) -C src/libhubbub
+
 
 # Testing targets
 
diff --git a/configure.in b/configure.in
index 98e12542406b..92c125411b47 100755
--- a/configure.in
+++ b/configure.in
@@ -14,6 +14,8 @@ mkdir -p src/rust-geom || exit $?
 mkdir -p src/rust-glut || exit $?
 mkdir -p src/rust-layers || exit $?
 mkdir -p src/rust-http-client || exit $?
+mkdir -p src/libparserutils || exit $?
+mkdir -p src/libhubbub || exit $?
 
 (cd src/mozjs && sh ${SRCDIR}/src/mozjs/js/src/configure --enable-debug --disable-optimize) || exit $?
 (cd src/rust-opengles && sh ${SRCDIR}/src/rust-opengles/configure) || exit $?
@@ -26,3 +28,5 @@ mkdir -p src/rust-http-client || exit $?
 (cd src/rust-glut && sh ${SRCDIR}/src/rust-glut/configure) || exit $?
 (cd src/rust-layers && sh ${SRCDIR}/src/rust-layers/configure) || exit $?
 (cd src/rust-http-client && sh ${SRCDIR}/src/rust-http-client/configure) || exit $?
+(cd src/libparserutils && sh ${SRCDIR}/src/libparserutils/configure) || exit $?
+(cd src/libhubbub && sh ${SRCDIR}/src/libhubbub/configure) || exit $?
diff --git a/src/libhubbub b/src/libhubbub
new file mode 160000
index 000000000000..04649ec414e2
--- /dev/null
+++ b/src/libhubbub
@@ -0,0 +1 @@
+Subproject commit 04649ec414e28b28999ee435593d1f55ab1f5806
diff --git a/src/libparserutils b/src/libparserutils
new file mode 160000
index 000000000000..380631dffce6
--- /dev/null
+++ b/src/libparserutils
@@ -0,0 +1 @@
+Subproject commit 380631dffce67ab258e23294788bec44f7bf16d7
diff --git a/src/rust-stb-image b/src/rust-stb-image
index 681bc5bff508..6c7710f8836c 160000
--- a/src/rust-stb-image
+++ b/src/rust-stb-image
@@ -1 +1 @@
-Subproject commit 681bc5bff5088bb861a450295c9ee1f3307cacf3
+Subproject commit 6c7710f8836c13f12c26ccb213106d210e0e6082