diff --git a/Dockerfile_aarch64 b/Dockerfile_aarch64
index cdf31ab..9f6ed9e 100644
--- a/Dockerfile_aarch64
+++ b/Dockerfile_aarch64
@@ -1,6 +1,6 @@
 FROM quay.io/pypa/manylinux2014_aarch64
 
-ENV HDF5_VERSION 1.12.2
+ENV HDF5_VERSION 1.14.2
 ENV HDF5_DIR /usr/local
 
 COPY install_libaec.sh /tmp/install_libaec.sh
diff --git a/Dockerfile_x86_64 b/Dockerfile_x86_64
index 903f3f8..56f2909 100644
--- a/Dockerfile_x86_64
+++ b/Dockerfile_x86_64
@@ -1,6 +1,6 @@
 FROM quay.io/pypa/manylinux2014_x86_64
 
-ENV HDF5_VERSION 1.12.2
+ENV HDF5_VERSION 1.14.2
 ENV HDF5_DIR /usr/local
 
 COPY install_libaec.sh /tmp/install_libaec.sh
diff --git a/install_libaec.sh b/install_libaec.sh
index fed0c41..0a79ed0 100644
--- a/install_libaec.sh
+++ b/install_libaec.sh
@@ -4,11 +4,11 @@ set -euo pipefail
 
 pushd /tmp
 
-aec_version="1.0.4"
+aec_version="1.0.6"
 
 echo "Downloading libaec"
 # The URL includes a hash, so it needs to change if the version does
-curl -fsSLO https://gitlab.dkrz.de/k202009/libaec/uploads/ea0b7d197a950b0c110da8dfdecbb71f/libaec-${aec_version}.tar.gz
+curl -fsSLO https://gitlab.dkrz.de/k202009/libaec/uploads/45b10e42123edd26ab7b3ad92bcf7be2/libaec-${aec_version}.tar.gz
 tar zxf libaec-$aec_version.tar.gz
 
 echo "Building & installing libaec"