diff --git a/docker/Dockerfile_gentoo b/docker/Dockerfile_gentoo
index e3c192eda..b2feea5a4 100644
--- a/docker/Dockerfile_gentoo
+++ b/docker/Dockerfile_gentoo
@@ -7,7 +7,7 @@ FROM gentoo/stage3:latest@sha256:6067704c9e8075416431b840c9c1bf0bb95cb8e0857e685
 ENV TERM=xterm
 
 # Define the default version of nodebuilder or pass in a different version (eg master) as an argument.
-ARG NODEBUILDER_VERSION=v2.3.0
+ARG NODEBUILDER_VERSION=2588-feat---bump-bitcoin-core-to-v320
 
 # Define the nodebuilder URL.
 ARG NODEBUILDER_URL=https://github.com/bitcoin-tools/nodebuilder/raw/${NODEBUILDER_VERSION}/nodebuilder
diff --git a/nodebuilder b/nodebuilder
index 8d574e510..4b122a767 100755
--- a/nodebuilder
+++ b/nodebuilder
@@ -1470,10 +1470,10 @@ readonly CONSOLE_COLOR_NORMAL
 
 # This list excludes vulnerable versions, e.g. CVE-2015-6031 and CVE-2018-17144
 readonly VALID_BITCOIN_VERSION_LIST='27.0 27.1 27.2 28.0 28.1 28.2 28.3 28.4 \
-  29.0 29.1 29.2 29.3 29.4 30.2 30.3 31.0 31.1'
+  29.0 29.1 29.2 29.3 29.4 30.2 30.3 31.0 31.1 32.0'
 
 # Bump this variable for new Bitcoin Core releases
-target_bitcoin_version='31.1'
+target_bitcoin_version='32.0rc1'
 
 # Instantiate the parameter variables
 compile_bitcoin_flag='false'