diff --git a/.github/workflows/debian.yml b/.github/workflows/debian.yml
index def9201..ca29335 100644
--- a/.github/workflows/debian.yml
+++ b/.github/workflows/debian.yml
@@ -30,8 +30,8 @@ env:
   FALLBACK_GCC: 12
   FALLBACK_CLANG: 16
   CCACHE_VERSION: 4.12.2
-  CMAKE_VERSION: 4.1.0
-  CONAN_VERSION: 2.22.2
+  CMAKE_VERSION: 4.2.1
+  CONAN_VERSION: 2.24.0
   GCOVR_VERSION: 8.3
   MOLD_VERSION: 2.40.4
   RUST_VERSION: 1.91.1
diff --git a/.github/workflows/rhel.yml b/.github/workflows/rhel.yml
index 01fa8ce..a9e5d7c 100644
--- a/.github/workflows/rhel.yml
+++ b/.github/workflows/rhel.yml
@@ -28,8 +28,8 @@ env:
   CONTAINER_REGISTRY: ghcr.io
   BUILDKIT_PROGRESS: plain
   CCACHE_VERSION: 4.12.2
-  CMAKE_VERSION: 4.1.0
-  CONAN_VERSION: 2.22.2
+  CMAKE_VERSION: 4.2.1
+  CONAN_VERSION: 2.24.0
   GCOVR_VERSION: 8.3
   MOLD_VERSION: 2.40.4
   RUST_VERSION: 1.91.1
diff --git a/.github/workflows/tools-rippled.yml b/.github/workflows/tools-rippled.yml
index c975fd1..a535b48 100644
--- a/.github/workflows/tools-rippled.yml
+++ b/.github/workflows/tools-rippled.yml
@@ -25,7 +25,7 @@ env:
   PUSH: ${{ github.event_name == 'push' }}
   CONTAINER_REGISTRY: ghcr.io
   BUILDKIT_PROGRESS: plain
-  CMAKE_VERSION: 4.1.0
+  CMAKE_VERSION: 4.2.1
   DOXYGEN_VERSION: 1.9.8+ds-2build5
   GCC_VERSION: 14
   GRAPHVIZ_VERSION: 2.42.2-9ubuntu0.1
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 7bc30fb..7cc1506 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -30,8 +30,8 @@ env:
   FALLBACK_GCC: 12
   FALLBACK_CLANG: 16
   CCACHE_VERSION: 4.12.2
-  CMAKE_VERSION: 4.1.0
-  CONAN_VERSION: 2.22.2
+  CMAKE_VERSION: 4.2.1
+  CONAN_VERSION: 2.24.0
   GCOVR_VERSION: 8.3
   MOLD_VERSION: 2.40.4
   RUST_VERSION: 1.91.1
diff --git a/docker/debian/README.md b/docker/debian/README.md
index 6f4dcf3..0cf16e6 100644
--- a/docker/debian/README.md
+++ b/docker/debian/README.md
@@ -39,8 +39,8 @@ directory of the repository.
 DEBIAN_VERSION=bookworm
 GCC_VERSION=12
 CCACHE_VERSION=4.12.2
-CMAKE_VERSION=4.1.0
-CONAN_VERSION=2.22.2
+CMAKE_VERSION=4.2.1
+CONAN_VERSION=2.24.0
 GCOVR_VERSION=8.3
 MOLD_VERSION=2.40.4
 RUST_VERSION=1.91.1
@@ -73,8 +73,8 @@ GCC_VERSION=12
 BASE_IMAGE=ghcr.io/xrplf/ci/gcc:${GCC_VERSION}-bullseye
 # The versions of the tools to use.
 CCACHE_VERSION=4.12.2
-CMAKE_VERSION=4.1.0
-CONAN_VERSION=2.22.2
+CMAKE_VERSION=4.2.1
+CONAN_VERSION=2.24.0
 GCOVR_VERSION=8.3
 MOLD_VERSION=2.40.4
 RUST_VERSION=1.91.1
@@ -109,8 +109,8 @@ DEBIAN_VERSION=bookworm
 CLANG_VERSION=17
 # The versions of the tools to use.
 CCACHE_VERSION=4.12.2
-CMAKE_VERSION=4.1.0
-CONAN_VERSION=2.22.2
+CMAKE_VERSION=4.2.1
+CONAN_VERSION=2.24.0
 GCOVR_VERSION=8.3
 MOLD_VERSION=2.40.4
 RUST_VERSION=1.91.1
diff --git a/docker/rhel/README.md b/docker/rhel/README.md
index a6a0f9c..50f0086 100644
--- a/docker/rhel/README.md
+++ b/docker/rhel/README.md
@@ -29,8 +29,8 @@ RHEL_VERSION=9
 GCC_VERSION=12
 # The versions of the tools to use.
 CCACHE_VERSION=4.12.2
-CMAKE_VERSION=4.1.0
-CONAN_VERSION=2.22.2
+CMAKE_VERSION=4.2.1
+CONAN_VERSION=2.24.0
 GCOVR_VERSION=8.3
 MOLD_VERSION=2.40.4
 RUST_VERSION=1.91.1
@@ -62,8 +62,8 @@ directory of the repository.
 RHEL_VERSION=10
 # The versions of the tools to use.
 CCACHE_VERSION=4.12.2
-CMAKE_VERSION=4.1.0
-CONAN_VERSION=2.22.2
+CMAKE_VERSION=4.2.1
+CONAN_VERSION=2.24.0
 GCOVR_VERSION=8.3
 MOLD_VERSION=2.40.4
 RUST_VERSION=1.91.1
diff --git a/docker/tools-rippled/README.md b/docker/tools-rippled/README.md
index d1f6b1b..e47934d 100644
--- a/docker/tools-rippled/README.md
+++ b/docker/tools-rippled/README.md
@@ -50,7 +50,7 @@ the repository.
 
 ```shell
 UBUNTU_VERSION=noble
-CMAKE_VERSION=4.1.0
+CMAKE_VERSION=4.2.1
 DOXYGEN_VERSION=1.9.8+ds-2build5
 GCC_VERSION=14
 GRAPHVIZ_VERSION=2.42.2-9ubuntu0.1
diff --git a/docker/ubuntu/README.md b/docker/ubuntu/README.md
index 352a049..e2ab815 100644
--- a/docker/ubuntu/README.md
+++ b/docker/ubuntu/README.md
@@ -28,8 +28,8 @@ UBUNTU_VERSION=noble
 GCC_VERSION=14
 # The versions of the tools to use.
 CCACHE_VERSION=4.12.2
-CMAKE_VERSION=4.1.0
-CONAN_VERSION=2.22.2
+CMAKE_VERSION=4.2.1
+CONAN_VERSION=2.24.0
 GCOVR_VERSION=8.3
 MOLD_VERSION=2.40.4
 RUST_VERSION=1.91.1
@@ -64,8 +64,8 @@ UBUNTU_VERSION=noble
 CLANG_VERSION=18
 # The versions of the tools to use.
 CCACHE_VERSION=4.12.2
-CMAKE_VERSION=4.1.0
-CONAN_VERSION=2.22.2
+CMAKE_VERSION=4.2.1
+CONAN_VERSION=2.24.0
 GCOVR_VERSION=8.3
 MOLD_VERSION=2.40.4
 RUST_VERSION=1.91.1