diff --git a/feature_neutralization.ipynb b/feature_neutralization.ipynb
index 0e86bf9..77d075b 100644
--- a/feature_neutralization.ipynb
+++ b/feature_neutralization.ipynb
@@ -25,7 +25,7 @@
    "outputs": [],
    "source": [
     "# Install dependencies\n",
-    "!pip install -q numerapi pandas matplotlib lightgbm pyarrow cloudpickle\n",
+    "!pip install -q numerapi pandas matplotlib lightgbm==3.3.5 pyarrow cloudpickle\n",
     "\n",
     "# Inline plots\n",
     "%matplotlib inline"
diff --git a/hello_numerai.ipynb b/hello_numerai.ipynb
index 5b28bae..afa65f9 100644
--- a/hello_numerai.ipynb
+++ b/hello_numerai.ipynb
@@ -29,7 +29,7 @@
    "outputs": [],
    "source": [
     "# Install dependencies\n",
-    "!pip install -q numerapi pandas matplotlib lightgbm cloudpickle pyarrow\n",
+    "!pip install -q numerapi pandas matplotlib lightgbm==3.3.5 cloudpickle pyarrow\n",
     "\n",
     "# Inline plots\n",
     "%matplotlib inline"
diff --git a/target_ensemble.ipynb b/target_ensemble.ipynb
index 86c44c2..6796969 100644
--- a/target_ensemble.ipynb
+++ b/target_ensemble.ipynb
@@ -24,7 +24,7 @@
    "outputs": [],
    "source": [
     "# Install dependencies\n",
-    "!pip install -q numerapi pandas matplotlib lightgbm pyarrow cloudpickle\n",
+    "!pip install -q numerapi pandas matplotlib lightgbm==3.3.5 pyarrow cloudpickle\n",
     "\n",
     "# Inline plots\n",
     "%matplotlib inline"