diff --git a/ci/docker/aarch64-unknown-linux-musl/Dockerfile b/ci/docker/aarch64-unknown-linux-musl/Dockerfile
index e86c4c0ae3d2cdf0b0425dc456ca90a0ad83190b..2790b5d8d54afdbb6599cf8bacc89b897c3b5be6 100644
--- a/ci/docker/aarch64-unknown-linux-musl/Dockerfile
+++ b/ci/docker/aarch64-unknown-linux-musl/Dockerfile
@@ -3,14 +3,14 @@ FROM ubuntu:17.10
 RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc make libc6-dev git curl ca-certificates \
   gcc-aarch64-linux-gnu qemu-user
-RUN curl https://www.musl-libc.org/releases/musl-1.1.16.tar.gz | \
+RUN curl https://www.musl-libc.org/releases/musl-1.1.19.tar.gz | \
     tar xzf - && \
-    cd musl-1.1.16 && \
+    cd musl-1.1.19 && \
     CC=aarch64-linux-gnu-gcc \
     ./configure --prefix=/musl-aarch64 --enable-wrapper=yes && \
     make install -j4 && \
     cd .. && \
-    rm -rf musl-1.1.16 && \
+    rm -rf musl-1.1.19 && \
 # Install linux kernel headers sanitized for use with musl
     curl -L  https://github.com/sabotage-linux/kernel-headers/archive/v3.12.6-5.tar.gz | \
     tar xzf - && \
diff --git a/ci/docker/arm-unknown-linux-musleabihf/Dockerfile b/ci/docker/arm-unknown-linux-musleabihf/Dockerfile
index 130730b9973339f5b752acf69a3399377879b395..29ec440058983aba151fce69661523045ef17140 100644
--- a/ci/docker/arm-unknown-linux-musleabihf/Dockerfile
+++ b/ci/docker/arm-unknown-linux-musleabihf/Dockerfile
@@ -4,8 +4,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc make libc6-dev git curl ca-certificates \
   gcc-arm-linux-gnueabihf qemu-user
 
-RUN curl https://www.musl-libc.org/releases/musl-1.1.16.tar.gz | tar xzf -
-WORKDIR /musl-1.1.16
+RUN curl https://www.musl-libc.org/releases/musl-1.1.19.tar.gz | tar xzf -
+WORKDIR /musl-1.1.19
 RUN CC=arm-linux-gnueabihf-gcc \
     CFLAGS="-march=armv6 -marm" \
     ./configure --prefix=/musl-arm --enable-wrapper=yes
diff --git a/ci/docker/i686-unknown-linux-musl/Dockerfile b/ci/docker/i686-unknown-linux-musl/Dockerfile
index 3adb9200408471cdd56bd7f5a7626df4f0a4a488..5fa7b3127b2083e57693be7f93e77e158660dbf9 100644
--- a/ci/docker/i686-unknown-linux-musl/Dockerfile
+++ b/ci/docker/i686-unknown-linux-musl/Dockerfile
@@ -12,13 +12,13 @@ RUN apt-get install -y --no-install-recommends \
 #   since otherwise the script will fail to find a compiler.
 # * We manually unset CROSS_COMPILE when running make; otherwise the makefile
 #   will call the non-existent binary 'i686-ar'.
-RUN curl https://www.musl-libc.org/releases/musl-1.1.15.tar.gz | \
+RUN curl https://www.musl-libc.org/releases/musl-1.1.19.tar.gz | \
     tar xzf - && \
-    cd musl-1.1.15 && \
+    cd musl-1.1.19 && \
     CC=gcc CFLAGS=-m32 ./configure --prefix=/musl-i686 --disable-shared --target=i686 && \
     make CROSS_COMPILE= install -j4 && \
     cd .. && \
-    rm -rf musl-1.1.15 && \
+    rm -rf musl-1.1.19 && \
 # Install linux kernel headers sanitized for use with musl
     curl -L  https://github.com/sabotage-linux/kernel-headers/archive/v3.12.6-5.tar.gz | \
     tar xzf - && \
diff --git a/ci/docker/x86_64-unknown-linux-musl/Dockerfile b/ci/docker/x86_64-unknown-linux-musl/Dockerfile
index d9d651138661d55d36cd7161cecc4a69d9ba16a0..8ebf9348ca627c72a6ba23b02a5856d3804913cd 100644
--- a/ci/docker/x86_64-unknown-linux-musl/Dockerfile
+++ b/ci/docker/x86_64-unknown-linux-musl/Dockerfile
@@ -3,13 +3,13 @@ FROM ubuntu:17.10
 RUN apt-get update
 RUN apt-get install -y --no-install-recommends \
   gcc make libc6-dev git curl ca-certificates
-RUN curl https://www.musl-libc.org/releases/musl-1.1.15.tar.gz | \
+RUN curl https://www.musl-libc.org/releases/musl-1.1.19.tar.gz | \
     tar xzf - && \
-    cd musl-1.1.15 && \
+    cd musl-1.1.19 && \
     ./configure --prefix=/musl-x86_64 && \
     make install -j4 && \
     cd .. && \
-    rm -rf musl-1.1.15 && \
+    rm -rf musl-1.1.19 && \
 # Install linux kernel headers sanitized for use with musl
     curl -L  https://github.com/sabotage-linux/kernel-headers/archive/v3.12.6-5.tar.gz | \
     tar xzf - && \