diff --git a/.github/workflows/dev_envs.yml b/.github/workflows/dev_envs.yml
index b76bc461a0..ebb7474d4a 100644
--- a/.github/workflows/dev_envs.yml
+++ b/.github/workflows/dev_envs.yml
@@ -61,6 +61,7 @@ jobs:
       uses: actions/cache@v4
       env:
         CACHE_NUMBER: 0
+      with:
         path: ~/conda_pkgs_dir
         key:
           ${{ runner.os }}-conda-${{ env.CACHE_NUMBER }}-${{ hashFiles('environment.yml') }}
diff --git a/dev.yml b/dev.yml
index f758240046..9a2f582a93 100644
--- a/dev.yml
+++ b/dev.yml
@@ -2,11 +2,11 @@ name: sourmash_dev
 channels:
   - conda-forge
 dependencies:
-  - clangdev >=16.0.6,<17.1
+  - clangdev >=16.0.6,<16.1
   - cxx-compiler >=1.7.0,<1.8
   - git 2.41.0.*
-  - libclang >=16.0.6,<17.1
+  - libclang >=16.0.6,<16.1
   - pandoc 3.1.3.*
   - python 3.10.*
-  - rust >=1.76.0,<1.77
+  - rust >=1.80.0,<1.81
   - tox >=4.11.0,<5