diff --git a/alpine/kernel/Dockerfile b/alpine/kernel/Dockerfile
index ee0daba10..ff9c9d7c5 100644
--- a/alpine/kernel/Dockerfile
+++ b/alpine/kernel/Dockerfile
@@ -1,4 +1,4 @@
-FROM mobylinux/alpine-build-c:f97e13b3a7339af5da5d620fc053c6a6c81b00a6
+FROM mobylinux/alpine-build-c:7303e33e9dcd5276b8bb5269644a9bf3354008c8
 
 ARG KERNEL_VERSION=4.8.2
 
diff --git a/alpine/packages/9pmount-vsock/Dockerfile b/alpine/packages/9pmount-vsock/Dockerfile
index 9fa27054a..6a0739fcc 100644
--- a/alpine/packages/9pmount-vsock/Dockerfile
+++ b/alpine/packages/9pmount-vsock/Dockerfile
@@ -1,4 +1,4 @@
-FROM mobylinux/alpine-build-c:f97e13b3a7339af5da5d620fc053c6a6c81b00a6
+FROM mobylinux/alpine-build-c:7303e33e9dcd5276b8bb5269644a9bf3354008c8
 
 COPY . /9pmount-vsock
 
diff --git a/alpine/packages/nc-vsock/Dockerfile b/alpine/packages/nc-vsock/Dockerfile
index 8a93e6793..f978589dc 100644
--- a/alpine/packages/nc-vsock/Dockerfile
+++ b/alpine/packages/nc-vsock/Dockerfile
@@ -1,4 +1,4 @@
-FROM mobylinux/alpine-build-c:f97e13b3a7339af5da5d620fc053c6a6c81b00a6
+FROM mobylinux/alpine-build-c:7303e33e9dcd5276b8bb5269644a9bf3354008c8
 
 COPY . /nc-vsock
 
diff --git a/alpine/packages/tap-vsockd/Dockerfile b/alpine/packages/tap-vsockd/Dockerfile
index 9d260a249..91179916b 100644
--- a/alpine/packages/tap-vsockd/Dockerfile
+++ b/alpine/packages/tap-vsockd/Dockerfile
@@ -1,4 +1,4 @@
-FROM mobylinux/alpine-build-c:f97e13b3a7339af5da5d620fc053c6a6c81b00a6
+FROM mobylinux/alpine-build-c:7303e33e9dcd5276b8bb5269644a9bf3354008c8
 
 COPY . /tap-vsockd
 
diff --git a/alpine/packages/transfused/Dockerfile b/alpine/packages/transfused/Dockerfile
index 03f7588f7..71db4fe6d 100644
--- a/alpine/packages/transfused/Dockerfile
+++ b/alpine/packages/transfused/Dockerfile
@@ -1,4 +1,4 @@
-FROM mobylinux/alpine-build-c:f97e13b3a7339af5da5d620fc053c6a6c81b00a6
+FROM mobylinux/alpine-build-c:7303e33e9dcd5276b8bb5269644a9bf3354008c8
 
 COPY . /transfused