diff --git a/Dockerfile.ci b/Dockerfile.ci
index 0231276..9106ac1 100644
--- a/Dockerfile.ci
+++ b/Dockerfile.ci
@@ -21,12 +21,10 @@ RUN cargo install --locked --path .
 FROM base AS bitcoin-build
 # Download
 WORKDIR /build/bitcoin
-ARG ARCH=x86_64
-ARG BITCOIND_VERSION=29.0
-RUN wget -q https://bitcoincore.org/bin/bitcoin-core-$BITCOIND_VERSION/bitcoin-$BITCOIND_VERSION-$ARCH-linux-gnu.tar.gz
-RUN tar xvf bitcoin-$BITCOIND_VERSION-$ARCH-linux-gnu.tar.gz
-RUN mv -v bitcoin-$BITCOIND_VERSION/bin/bitcoind .
-RUN mv -v bitcoin-$BITCOIND_VERSION/bin/bitcoin-cli .
+RUN wget -q https://bitcoincore.org/bin/bitcoin-core-31.0/test.rc2/bitcoin-31.0rc2-x86_64-linux-gnu.tar.gz
+RUN tar xvf bitcoin-31.0rc2-x86_64-linux-gnu.tar.gz
+RUN mv -v bitcoin-31.0rc2/bin/bitcoind .
+RUN mv -v bitcoin-31.0rc2/bin/bitcoin-cli .
 
 FROM base AS result
 # Copy the binaries