diff --git a/conda-recipe/skll/meta.yaml b/conda-recipe/skll/meta.yaml
index 01324d44..38ffe588 100644
--- a/conda-recipe/skll/meta.yaml
+++ b/conda-recipe/skll/meta.yaml
@@ -34,7 +34,7 @@ requirements:
     - numpy
     - pandas
     - ruamel.yaml
-    - scikit-learn
+    - scikit-learn >=1.5.0,<1.6.0
     - scipy
     - seaborn
     - tabulate
diff --git a/doc/requirements.txt b/doc/requirements.txt
index 760d42e2..28da2d14 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -1,6 +1,6 @@
 beautifulsoup4
 ruamel.yaml
-scikit-learn
+scikit-learn>=1.5.0,<1.6.0
 seaborn
 sphinx
 sphinx_rtd_theme
diff --git a/requirements.dev b/requirements.dev
index 4eeec246..fe2e8dd5 100644
--- a/requirements.dev
+++ b/requirements.dev
@@ -7,7 +7,7 @@ numpy
 pandas
 pre-commit
 ruamel.yaml
-scikit-learn
+scikit-learn>=1.5.0,<1.6.0
 scipy
 seaborn
 sphinx
diff --git a/requirements.txt b/requirements.txt
index b7252dfa..3c2b96c1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ joblib
 numpy
 pandas
 ruamel.yaml
-scikit-learn
+scikit-learn>=1.5.0,<1.6.0
 scipy
 seaborn
 tabulate