diff --git a/docker/my-dojo/bitcoin/Dockerfile b/docker/my-dojo/bitcoin/Dockerfile
index 5466f1a..8ff5220 100644
--- a/docker/my-dojo/bitcoin/Dockerfile
+++ b/docker/my-dojo/bitcoin/Dockerfile
@@ -8,7 +8,7 @@ ENV     BITCOIN_HOME        /home/bitcoin
 ENV     BITCOIN_VERSION     0.20.0
 ENV     BITCOIN_URL         https://bitcoincore.org/bin/bitcoin-core-0.20.0/bitcoin-0.20.0-x86_64-linux-gnu.tar.gz
 ENV     BITCOIN_SHA256      35ec10f87b6bc1e44fd9cd1157e5dfa483eaf14d7d9a9c274774539e7824c427
-ENV     BITCOIN_ASC_URL     https://bitcoincore.org/bin/bitcoin-core-0.19.1/SHA256SUMS.asc
+ENV     BITCOIN_ASC_URL     https://bitcoincore.org/bin/bitcoin-core-0.20.0/SHA256SUMS.asc
 ENV     BITCOIN_PGP_KS_URI  hkp://keyserver.ubuntu.com:80
 ENV     BITCOIN_PGP_KEY     01EA5486DE18A882D4C2684590C8019E36C2E964