diff --git a/.github/actions/bitcoin-int-tests/Dockerfile.atlas-test b/.github/actions/bitcoin-int-tests/Dockerfile.atlas-test
index 0a5f48cb1..fc3403fbd 100644
--- a/.github/actions/bitcoin-int-tests/Dockerfile.atlas-test
+++ b/.github/actions/bitcoin-int-tests/Dockerfile.atlas-test
@@ -1,4 +1,4 @@
-FROM rust:buster
+FROM rust:bullseye
 
 WORKDIR /src
 
diff --git a/.github/actions/bitcoin-int-tests/Dockerfile.bitcoin-tests b/.github/actions/bitcoin-int-tests/Dockerfile.bitcoin-tests
index 0a29e968e..312555a4e 100644
--- a/.github/actions/bitcoin-int-tests/Dockerfile.bitcoin-tests
+++ b/.github/actions/bitcoin-int-tests/Dockerfile.bitcoin-tests
@@ -1,4 +1,4 @@
-FROM rust:buster
+FROM rust:bullseye
 
 WORKDIR /src/
 
diff --git a/.github/actions/bitcoin-int-tests/Dockerfile.code-cov b/.github/actions/bitcoin-int-tests/Dockerfile.code-cov
index 18297311e..3f82ab154 100644
--- a/.github/actions/bitcoin-int-tests/Dockerfile.code-cov
+++ b/.github/actions/bitcoin-int-tests/Dockerfile.code-cov
@@ -1,4 +1,4 @@
-FROM rust:buster AS build
+FROM rust:bullseye AS build
 
 WORKDIR /build
 
diff --git a/.github/actions/bitcoin-int-tests/Dockerfile.large-genesis b/.github/actions/bitcoin-int-tests/Dockerfile.large-genesis
index b9adabe36..9d80d041c 100644
--- a/.github/actions/bitcoin-int-tests/Dockerfile.large-genesis
+++ b/.github/actions/bitcoin-int-tests/Dockerfile.large-genesis
@@ -1,4 +1,4 @@
-FROM rust:buster
+FROM rust:bullseye
 
 WORKDIR /src
 
diff --git a/.github/actions/bitcoin-int-tests/Dockerfile.net-tests b/.github/actions/bitcoin-int-tests/Dockerfile.net-tests
index 2b007e38f..e7e3f8eaa 100644
--- a/.github/actions/bitcoin-int-tests/Dockerfile.net-tests
+++ b/.github/actions/bitcoin-int-tests/Dockerfile.net-tests
@@ -1,4 +1,4 @@
-FROM rust:buster
+FROM rust:bullseye
 
 WORKDIR /src
 
diff --git a/.github/actions/bitcoin-int-tests/Dockerfile.rustfmt b/.github/actions/bitcoin-int-tests/Dockerfile.rustfmt
index 240f99f5a..793d8e466 100644
--- a/.github/actions/bitcoin-int-tests/Dockerfile.rustfmt
+++ b/.github/actions/bitcoin-int-tests/Dockerfile.rustfmt
@@ -1,4 +1,4 @@
-FROM rust:buster
+FROM rust:bullseye
 
 WORKDIR /src
 
diff --git a/migration-verification/Dockerfile b/migration-verification/Dockerfile
index 03490f053..ce2e6aba6 100644
--- a/migration-verification/Dockerfile
+++ b/migration-verification/Dockerfile
@@ -1,4 +1,4 @@
-FROM rust:buster
+FROM rust:bullseye
 
 ### Install Node.js
 RUN apt-get update