diff --git a/environment.yml b/environment.yml
index c6fbd1b2..ba1880a8 100644
--- a/environment.yml
+++ b/environment.yml
@@ -8,7 +8,7 @@ dependencies:
   - pip
   - astropy~=5.0
   - ctapipe~=0.19.2
-  - matplotlib=3.7
+  - matplotlib
   - pyparsing
   - prov
   - pyyaml
diff --git a/pyproject.toml b/pyproject.toml
index 43e7b719..d6d308bf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ requires-python = ">=3.9"
 dependencies = [
     "astropy~=5.0",
     "lstchain>=0.10.5",
-    "matplotlib~=3.7",
+    "matplotlib",
     "numpy",
     "pandas",
     "pyyaml",