diff --git a/ci/docker/ubuntu-22.04-csharp.dockerfile b/ci/docker/ubuntu-22.04-csharp.dockerfile
index 3b08894d2ddbe..13c34680960d9 100644
--- a/ci/docker/ubuntu-22.04-csharp.dockerfile
+++ b/ci/docker/ubuntu-22.04-csharp.dockerfile
@@ -20,4 +20,9 @@ ARG dotnet=7.0
 ARG platform=jammy
 FROM mcr.microsoft.com/dotnet/sdk:${dotnet}-${platform}-${arch}
 
+RUN apt-get update -y -q && \
+    apt-get install -y --no-install-recommends python3 python3-pip && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
 RUN dotnet tool install --tool-path /usr/local/bin sourcelink
diff --git a/ci/scripts/csharp_test.sh b/ci/scripts/csharp_test.sh
index e4bed4e35e3d7..d6bbe82d3a391 100755
--- a/ci/scripts/csharp_test.sh
+++ b/ci/scripts/csharp_test.sh
@@ -27,7 +27,7 @@ if [ -z "${PYTHON}" ]; then
     export PYTHON=python3
   else
     export PYTHON=python
-  fi 
+  fi
 fi
 ${PYTHON} -m pip install pyarrow find-libpython
 export PYTHONNET_PYDLL=$(${PYTHON} -m find_libpython)