diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index d29eb25f..3ee673f9 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -61,7 +61,7 @@ jobs:
         shell: bash -el {0}
     strategy:
       matrix:
-        spark_version: [3.4.1, 3.5.1]
+        spark_version: [3.4.1, 3.5.2]
         scala_version: [2.12.19]
     env:
       SPARK_VERSION: ${{ matrix.spark_version }}
diff --git a/build.sbt b/build.sbt
index f7bf0c13..759f9448 100644
--- a/build.sbt
+++ b/build.sbt
@@ -11,7 +11,7 @@ import sbt.nio.Keys._
 lazy val scala212 = "2.12.19"
 lazy val scala213 = "2.13.14"
 
-lazy val spark3 = "3.5.1"
+lazy val spark3 = "3.5.2"
 lazy val spark4 = "4.0.0-SNAPSHOT"
 
 lazy val sparkVersion = settingKey[String]("sparkVersion")
diff --git a/python/environment.yml b/python/environment.yml
index 8f8db2e2..c3bdf4d9 100644
--- a/python/environment.yml
+++ b/python/environment.yml
@@ -24,7 +24,7 @@ dependencies:
   - typeguard
   - yapf=0.40.1
   - pip:
-    - pyspark==3.5.1
+    - pyspark==3.5.2
     - databricks-cli==0.18 # Docs notebook source generation
     - databricks-sdk
     - setuptools==65.6.3 # Python packaging
diff --git a/python/spark-4-environment.yml b/python/spark-4-environment.yml
index 52a7c346..c06d76ab 100644
--- a/python/spark-4-environment.yml
+++ b/python/spark-4-environment.yml
@@ -27,7 +27,7 @@ dependencies:
     # Note: Spark 4 must currently be installed from source
     # We only install pyspark to pull in all the dependencies. It should be
     # uninstalled before testing.
-    - pyspark==3.5.1
+    - pyspark==3.5.2
     - databricks-cli==0.18 # Docs notebook source generation
     - databricks-sdk
     - setuptools==65.6.3 # Python packaging