diff --git a/environment-dev.yml b/environment-dev.yml
index 256679a9..3cb9f4fb 100644
--- a/environment-dev.yml
+++ b/environment-dev.yml
@@ -5,7 +5,7 @@ dependencies:
   # Build dependencies
   - make
   - cmake
-  - cxx-compiler=1.7.0
+  - cxx-compiler=1.9.0
   # Host dependencies
   - xeus>=5.0.0
   - xeus-zmq>=3.0,<4.0
@@ -21,4 +21,4 @@ dependencies:
   - nbformat
   - nbval
   - pytest-rerunfailures
-  - doctest
\ No newline at end of file
+  - doctest