diff --git a/ci/docker/aarch64-unknown-linux-musl/Dockerfile b/ci/docker/aarch64-unknown-linux-musl/Dockerfile
index 1fbf3f43f631514ee64114e9c4af4e9962d0609e..d336f88b6191626b57810b13c2d3bb37a2fa3968 100644
--- a/ci/docker/aarch64-unknown-linux-musl/Dockerfile
+++ b/ci/docker/aarch64-unknown-linux-musl/Dockerfile
@@ -3,14 +3,14 @@ FROM ubuntu:18.04
 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 --retry 5 https://www.musl-libc.org/releases/musl-1.1.19.tar.gz | \
+RUN curl --retry 5 https://www.musl-libc.org/releases/musl-1.1.22.tar.gz | \
     tar xzf - && \
-    cd musl-1.1.19 && \
+    cd musl-1.1.22 && \
     CC=aarch64-linux-gnu-gcc \
     ./configure --prefix=/musl-aarch64 --enable-wrapper=yes && \
     make install -j4 && \
     cd .. && \
-    rm -rf musl-1.1.19
+    rm -rf musl-1.1.22
 # Install linux kernel headers sanitized for use with musl
 RUN curl --retry 5 -L https://github.com/sabotage-linux/kernel-headers/archive/v3.12.6-6.tar.gz | \
     tar xzf - && \
diff --git a/ci/docker/arm-unknown-linux-musleabihf/Dockerfile b/ci/docker/arm-unknown-linux-musleabihf/Dockerfile
index 94e1651d63ec25d59c1d31ce75117daca16a0be0..9e3459bd4dcd3c70b1c05a04218325b1e1aa4576 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 --retry 5 https://www.musl-libc.org/releases/musl-1.1.19.tar.gz | tar xzf -
-WORKDIR /musl-1.1.19
+RUN curl --retry 5 https://www.musl-libc.org/releases/musl-1.1.22.tar.gz | tar xzf -
+WORKDIR /musl-1.1.22
 RUN CC=arm-linux-gnueabihf-gcc \
     CFLAGS="-march=armv6 -marm -mfpu=vfp" \
     ./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 dac574fce7d96a3b3bc0b6bbedc2cf228133767a..4d32108a2f0e9150346b883c5e1e4734b6437d35 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 --retry 5 https://www.musl-libc.org/releases/musl-1.1.19.tar.gz | \
+RUN curl --retry 5 https://www.musl-libc.org/releases/musl-1.1.22.tar.gz | \
     tar xzf - && \
-    cd musl-1.1.19 && \
+    cd musl-1.1.22 && \
     CC=gcc CFLAGS=-m32 ./configure --prefix=/musl-i686 --disable-shared --target=i686 && \
     make CROSS_COMPILE= install -j4 && \
     cd .. && \
-    rm -rf musl-1.1.19
+    rm -rf musl-1.1.22
 # Install linux kernel headers sanitized for use with musl
 RUN curl --retry 5 -L https://github.com/sabotage-linux/kernel-headers/archive/v3.12.6-6.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 d8036dc98ce45a53bee03388b7d5ad13c41dc6cb..5d034de186727ee2ccd344003060f76e640378d5 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:18.04
 RUN apt-get update
 RUN apt-get install -y --no-install-recommends \
   gcc make libc6-dev git curl ca-certificates
-RUN curl --retry 5 https://www.musl-libc.org/releases/musl-1.1.19.tar.gz | \
+RUN curl --retry 5 https://www.musl-libc.org/releases/musl-1.1.22.tar.gz | \
     tar xzf - && \
-    cd musl-1.1.19 && \
+    cd musl-1.1.22 && \
     ./configure --prefix=/musl-x86_64 && \
     make install -j4 && \
     cd .. && \
-    rm -rf musl-1.1.19
+    rm -rf musl-1.1.22
 # Install linux kernel headers sanitized for use with musl
 RUN curl --retry 5 -L https://github.com/sabotage-linux/kernel-headers/archive/v3.12.6-6.tar.gz | \
     tar xzf - && \