diff --git a/environment-dev.yml b/environment-dev.yml
index 56b1054a4..cbd7b1df3 100644
--- a/environment-dev.yml
+++ b/environment-dev.yml
@@ -3,7 +3,7 @@ channels:
   - conda-forge
 dependencies:
   - python>=3.8
-  - numpy
+  - numpy=1.24.2
   - sympy
   - unyt<=2.9.2
   - boltons
diff --git a/environment.yml b/environment.yml
index 36158a6db..af4c61091 100644
--- a/environment.yml
+++ b/environment.yml
@@ -3,7 +3,7 @@ channels:
   - conda-forge
 dependencies:
   - python>=3.8
-  - numpy
+  - numpy=1.24.2
   - sympy
   - unyt<=2.9.2
   - boltons