diff --git a/powershell/Dockerfile b/powershell/Dockerfile
index 01634eb..d540206 100644
--- a/powershell/Dockerfile
+++ b/powershell/Dockerfile
@@ -1,23 +1,25 @@
-FROM debian:sid
+FROM debian:stretch-slim
 LABEL maintainer "Christian Koep <christiankoep@gmail.com>"
 
 ENV POWERSHELL_VERSION 6.0.4
 
 RUN apt-get update && apt-get install -y \
 	ca-certificates \
-	curl \
 	dpkg \
+	libcurl3 \
 	libicu57 \
 	libssl1.0.2 \
 	liblttng-ust0 \
+	libunwind8 \
+	wget \
 	--no-install-recommends \
 	&& rm -rf /var/lib/apt/lists/*
 
 RUN cd /usr/src \
-	&& curl -L -O "https://github.com/PowerShell/PowerShell/releases/download/v${POWERSHELL_VERSION}/powershell-preview_${POWERSHELL_VERSION}-1.debian.9_amd64.deb" \
-	&& dpkg -i "powershell-preview_${POWERSHELL_VERSION}-1.debian.9_amd64.deb" \
-	&& ln -snf /opt/microsoft/powershell/6-preview/pwsh /usr/bin/pwsh \
+	&& wget "https://github.com/PowerShell/PowerShell/releases/download/v${POWERSHELL_VERSION}/powershell_${POWERSHELL_VERSION}-1.debian.9_amd64.deb" -O /tmp/powershell.deb \
+	&& dpkg -i /tmp/powershell.deb \
+	&& ln -snf "/opt/microsoft/powershell/${POWERSHELL_VERSION}/pwsh" /usr/bin/pwsh \
 	&& apt-get install -fy \
-	&& rm -rf /var/lib/apt/lists/* /usr/src/*
+	&& rm -rf /var/lib/apt/lists/* /usr/src/* /tmp/powershell.deb
 
 ENTRYPOINT [ "/usr/bin/pwsh" ]