diff --git a/.github/workflows/update-spack.yaml b/.github/workflows/update-spack.yaml
index 9cf60f9..a54a86f 100644
--- a/.github/workflows/update-spack.yaml
+++ b/.github/workflows/update-spack.yaml
@@ -16,7 +16,7 @@ jobs:
           echo "Using spack SHA $SPACK_SHA"
 
           # Download the latest stable spack.x release and the latest runtime.x
-          export BASE_VERSION="v1.6.1"
+          export BASE_VERSION="v1.6.2"
           echo "Downloading spack-x86_64.x from version $BASE_VERSION"
 
           curl -LfSs -o runtime-x86_64-fuse2  "https://github.com/haampie/spack-batteries-included/releases/download/$BASE_VERSION/runtime-x86_64-fuse2"
@@ -29,8 +29,8 @@ jobs:
 
           echo "5221ade473885cc49c413024a0689dc27f08f00cbce0b54301672809bbaf83a2 runtime-x86_64-fuse2"  | sha256sum --check
           echo "82017d63610a9a9ce8a76ff30cbdb1c6cb7a722d13eb809aa562253670baecab runtime-x86_64-fuse3"  | sha256sum --check
-          echo "c9a0258a04528abfa6d011ee784b8448a0e2e59be33e04625f6a97a460f5d09b spack-x86_64.squashfs" | sha256sum --check
-          echo "cf90003f16823e2d9414faa63f9d2c948d93370cb2d2be0b56ddd4c387f7ecd8 spack-x86_64-old.x"    | sha256sum --check
+          echo "01c146cda52dbf98f49fd8779f3fbf17ed6203bd0fea32c1c3a4d5664b71d608 spack-x86_64.squashfs" | sha256sum --check
+          echo "a615c4483b7777d5099a4ae65cb2db671d3a1a1c5e5c0bbae072b0aec86273d4 spack-x86_64-old.x"    | sha256sum --check
           echo "1c83a51b49cfbc4faf90b01ac944fedf47ad8a6528d45454503ded5bfa3ef97e hack-wrapper.patch"    | sha256sum --check
           echo "4e0624b1c4527429f36aa5cff12266b4611f228731e3a01be1f06e075daf6571 20158.patch"           | sha256sum --check
           echo "2783a5cb8d712bad1e1b6193d745cb56438f6a3e0b83638687df1f9e2b1cb206 config.yaml"           | sha256sum --check
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 63853d5..61f6892 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+v1.6.2
+- Add zstd executables and remove some unused shared libs.
+
 v1.6.1
 - Fix shell argument escaping; previously spack.x build-env spec -- /bin/bash -c 'echo hi' would drop the quotes when passing arguments to spack.