diff --git a/docs/spack-environment.md b/docs/spack-environment.md
index c2113478..47e5ac3c 100644
--- a/docs/spack-environment.md
+++ b/docs/spack-environment.md
@@ -151,7 +151,7 @@ is shown here. Refer to `spack.sh` and `spack-packages.sh` for the current lists
 
 ```bash
 # From spack.sh (illustrative — see spack.sh for actual commits)
-SPACK_VERSION="v1.1.0"
+SPACK_VERSION="v1.1.1"
 SPACK_CHERRYPICKS=$(cat <<- EOF
 09f75ee426a2e05e0543570821582480ff823ba5
 a462612b64e97fa7dfe461c32c58553fd6ec63c5
diff --git a/spack-packages.sh b/spack-packages.sh
index e924fbc9..50cfd91a 100644
--- a/spack-packages.sh
+++ b/spack-packages.sh
@@ -51,6 +51,7 @@ cfa8d650480c409de2d568cf1355bf7e509f4c1c
 b2f469de6a7c823bf93b9fa408b0ef4b67442f5f
 3368f8849e57da0ad1eaa0086b1855538e5db03e
 5ec7462a628681522f8cf6016a9aa72fbd40dd91
+5e1d32f27d8c8a684bfef2b5301c4eaf525d06c2
 ---
 ## Optional hash table with comma-separated file list
 ## For these commits, the cherry-pick will be restricted to the listed files only.
@@ -100,3 +101,4 @@ read -r -d '' SPACKPACKAGES_CHERRYPICKS_FILES <<- \
 ## b2f469de6a7c823bf93b9fa408b0ef4b67442f5f: py-snakemake-storage-plugin-rucio: add v0.4.1
 ## 3368f8849e57da0ad1eaa0086b1855538e5db03e: just: add 1.46.0
 ## 5ec7462a628681522f8cf6016a9aa72fbd40dd91: arrow: add 20.0.0, 21.0.0, 22.0.0
+## 5e1d32f27d8c8a684bfef2b5301c4eaf525d06c2: py-tensorflow: env.set(..., str)
diff --git a/spack.sh b/spack.sh
index faf0603f..0db5a26a 100644
--- a/spack.sh
+++ b/spack.sh
@@ -5,7 +5,7 @@ SPACK_ORGREPO="spack/spack"
 
 ## Spack github version, e.g. v0.18.1 or commit hash
 ## note: nightly builds will use e.g. releases/v1.0
-SPACK_VERSION="v1.1.0"
+SPACK_VERSION="v1.1.1"
 
 ## Space-separated list of spack cherry-picks
 read -r -d '' SPACK_CHERRYPICKS <<- \