diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 12d813b..8bbdce7 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -22,7 +22,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, ubuntu-22.04, macos-11, macos-12]
+        os: [ubuntu-20.04, ubuntu-22.04, macos-13, macos-14]
         build_type: [static_build, shared_build]
 
     steps:
diff --git a/environment-dev.yml b/environment-dev.yml
index fa87ef0..aa4e423 100644
--- a/environment-dev.yml
+++ b/environment-dev.yml
@@ -7,8 +7,6 @@ dependencies:
   - cxx-compiler
   # Host dependencies
   - nlohmann_json
-  - cppzmq
-  - xeus>=5.0.0,<=6.0
   - xeus-zmq>=3.0.0,<=4.0
   - sqlite
   - sqlitecpp