diff --git a/regtests/README.md b/regtests/README.md
index 590201ffa..d4c8b92c6 100644
--- a/regtests/README.md
+++ b/regtests/README.md
@@ -74,13 +74,6 @@ AZURE_BLOB_TEST_BASE=abfss://<container-name>@<storage-account-name>.blob.core.w
 into the `credentials` folder. Then specify the name of the file in your .env file - do not change the
 path, as `/tmp/credentials` is the folder on the container where the credentials file will be mounted.
 
-## Setup without running tests
-
-Setup is idempotent.
-
-```
-./setup.sh
-```
 
 ## Experiment with failed test
 
diff --git a/regtests/run.sh b/regtests/run.sh
index eef12b622..aa5e9ebfe 100755
--- a/regtests/run.sh
+++ b/regtests/run.sh
@@ -16,8 +16,11 @@
 #
 # Run without args to run all tests, or single arg for single test.
 
+export SPARK_VERSION=spark-3.5.2
+export SPARK_DISTRIBUTION=${SPARK_VERSION}-bin-hadoop3-scala2.13
+
 if [ -z "${SPARK_HOME}"]; then
-  export SPARK_HOME=$(realpath ~/spark-3.5.1-bin-hadoop3-scala2.13)
+  export SPARK_HOME=$(realpath ~/${SPARK_DISTRIBUTION})
 fi
 export PYTHONPATH="${SPARK_HOME}/python/:${SPARK_HOME}/python/lib/py4j-0.10.9.7-src.zip:$PYTHONPATH"
 
diff --git a/regtests/run_spark_sql.sh b/regtests/run_spark_sql.sh
index 5451e2bd9..ba0c05a77 100755
--- a/regtests/run_spark_sql.sh
+++ b/regtests/run_spark_sql.sh
@@ -22,10 +22,13 @@
 REGTEST_HOME=$(dirname $(realpath $0))
 cd ${REGTEST_HOME}
 
+export SPARK_VERSION=spark-3.5.2
+export SPARK_DISTRIBUTION=${SPARK_VERSION}-bin-hadoop3-scala2.13
+
 ./setup.sh
 
 if [ -z "${SPARK_HOME}"]; then
-  export SPARK_HOME=$(realpath ~/spark-3.5.1-bin-hadoop3-scala2.13)
+  export SPARK_HOME=$(realpath ~/${SPARK_DISTRIBUTION})
 fi
 
 SPARK_BEARER_TOKEN="${REGTEST_ROOT_BEARER_TOKEN:-principal:root;realm:default-realm}"
diff --git a/regtests/setup.sh b/regtests/setup.sh
index e28a6fe05..039725f92 100755
--- a/regtests/setup.sh
+++ b/regtests/setup.sh
@@ -24,7 +24,7 @@ set -x
 SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
 
 if [ -z "${SPARK_HOME}" ]; then
-  SPARK_HOME=$(realpath ~/spark-3.5.1-bin-hadoop3-scala2.13)
+  SPARK_HOME=$(realpath ~/${SPARK_DISTRIBUTION})
 fi
 SPARK_CONF="${SPARK_HOME}/conf/spark-defaults.conf"
 export PYTHONPATH="${SPARK_HOME}/python/:${SPARK_HOME}/python/lib/py4j-0.10.9.7-src.zip:$PYTHONPATH"
@@ -33,22 +33,26 @@ export PYTHONPATH="${SPARK_HOME}/python/:${SPARK_HOME}/python/lib/py4j-0.10.9.7-
 echo 'Verifying Spark binaries...'
 if ! [ -f ${SPARK_HOME}/bin/spark-sql ]; then
   echo 'Setting up Spark...'
-  if ! [ -f ~/spark-3.5.1-bin-hadoop3-scala2.13.tgz ]; then
+  if [ -z "${SPARK_VERSION}" ] || [ -z "${SPARK_DISTRIBUTION}" ]; then
+    echo 'SPARK_VERSION or SPARK_DISTRIBUTION not set. Please set SPARK_VERSION and SPARK_DISTRIBUTION to the desired version.'
+    exit 1
+  fi
+  if ! [ -f ~/${SPARK_DISTRIBUTION}.tgz ]; then
     echo 'Downloading spark distro...'
-    wget -O ~/spark-3.5.1-bin-hadoop3-scala2.13.tgz https://dlcdn.apache.org/spark/spark-3.5.1/spark-3.5.1-bin-hadoop3-scala2.13.tgz
-    if ! [ -f ~/spark-3.5.1-bin-hadoop3-scala2.13.tgz ]; then
+    wget -O ~/${SPARK_DISTRIBUTION}.tgz https://dlcdn.apache.org/spark/${SPARK_VERSION}/${SPARK_DISTRIBUTION}.tgz
+    if ! [ -f ~/${SPARK_DISTRIBUTION}.tgz ]; then
       if [[ "${OSTYPE}" == "darwin"* ]]; then
         echo "Detected OS: mac. Running 'brew install wget' to try again."
         brew install wget
-        wget -O ~/spark-3.5.1-bin-hadoop3-scala2.13.tgz https://dlcdn.apache.org/spark/spark-3.5.1/spark-3.5.1-bin-hadoop3-scala2.13.tgz
+        wget -O ~/${SPARK_DISTRIBUTION}.tgz https://dlcdn.apache.org/spark/${SPARK_VERSION}/${SPARK_DISTRIBUTION}.tgz
       fi
     fi
   else
     echo 'Found existing Spark tarball'
   fi
-  tar xzvf ~/spark-3.5.1-bin-hadoop3-scala2.13.tgz -C ~
+  tar xzvf ~/${SPARK_DISTRIBUTION}.tgz -C ~
   echo 'Done!'
-  SPARK_HOME=$(realpath ~/spark-3.5.1-bin-hadoop3-scala2.13)
+  SPARK_HOME=$(realpath ~/${SPARK_DISTRIBUTION})
   SPARK_CONF="${SPARK_HOME}/conf/spark-defaults.conf"
 else
   echo 'Verified Spark distro already installed.'