diff --git a/.cirrus/Dockerfile b/.cirrus/Dockerfile
index 85095bf6f4..b31cbc800a 100644
--- a/.cirrus/Dockerfile
+++ b/.cirrus/Dockerfile
@@ -1,6 +1,9 @@
-FROM sbtscala/scala-sbt:eclipse-temurin-jammy-17.0.5_8_1.9.0_3.3.0
+FROM eclipse-temurin:17
 
 RUN apt-get update && apt-get install -y build-essential clang cmake libssl-dev
+RUN wget -q https://github.com/sbt/sbt/releases/download/v1.9.0/sbt-1.9.0.tgz && tar xvfz sbt-1.9.0.tgz
+
 RUN git clone https://github.com/aws/s2n-tls.git && cd s2n-tls && cmake -S . -B build && cmake --build build && cmake --install build
 
+ENV PATH="$PATH:/sbt/bin"
 ENV S2N_DONT_MLOCK=1