diff --git a/.github/workflows/weekly-tests.yaml b/.github/workflows/weekly-tests.yaml
index 72b1454a5e..6c211435c2 100644
--- a/.github/workflows/weekly-tests.yaml
+++ b/.github/workflows/weekly-tests.yaml
@@ -89,11 +89,7 @@ jobs:
 
             - name: Checkout DRAMSys
               working-directory: ${{ github.workspace }}/ext/dramsys
-              run: |
-                  git clone https://github.com/tukl-msd/DRAMSys DRAMSys
-                  cd DRAMSys
-                  git checkout -b gem5 09f6dcbb91351e6ee7cadfc7bc8b29d97625db8f
-                  git submodule update --init --recursive
+              run: git clone https://github.com/tukl-msd/DRAMSys --branch v5.0 --depth 1 DRAMSys
 
       # gem5 is built separately because it depends on the DRAMSys library
             - name: Build gem5
diff --git a/ext/dramsys/.gitignore b/ext/dramsys/.gitignore
new file mode 100644
index 0000000000..0193b6e8f3
--- /dev/null
+++ b/ext/dramsys/.gitignore
@@ -0,0 +1 @@
+DRAMSys
diff --git a/ext/dramsys/SConscript b/ext/dramsys/SConscript
index 0cf163aede..bfe4ee5ec1 100644
--- a/ext/dramsys/SConscript
+++ b/ext/dramsys/SConscript
@@ -27,6 +27,10 @@
 import os
 import subprocess
 
+from shutil import which
+
+from gem5_scons import warning
+
 Import("env")
 
 build_root = Dir("../..").abspath
@@ -40,6 +44,16 @@ if not os.path.exists(Dir(".").srcnode().abspath + "/DRAMSys"):
     env["HAVE_DRAMSYS"] = False
     Return()
 
+# DRAMSys requires CMake to build but this is is not a dependency for
+# gem5 outside of this DRAMSys integration. Therefore, we do not fail the
+# entire gem5 build if CMake is not found. Instead we just skip the building of
+# DRAMSys and print a warning.
+if which("cmake") is None:
+    warning("The DRAMSys repo is present but CMake cannot be found. "
+            "DRAMSys will not be built.")
+    env["HAVE_DRAMSYS"] = False
+    Return()
+
 env["HAVE_DRAMSYS"] = True
 
 subprocess.run(
diff --git a/util/dockerfiles/ubuntu-20.04_all-dependencies/Dockerfile b/util/dockerfiles/ubuntu-20.04_all-dependencies/Dockerfile
index 8f092adc7a..ba3d554c3b 100644
--- a/util/dockerfiles/ubuntu-20.04_all-dependencies/Dockerfile
+++ b/util/dockerfiles/ubuntu-20.04_all-dependencies/Dockerfile
@@ -32,7 +32,7 @@ RUN apt -y update && apt -y upgrade && \
     libprotobuf-dev protobuf-compiler libprotoc-dev libgoogle-perftools-dev \
     python3-dev python-is-python3 doxygen libboost-all-dev \
     libhdf5-serial-dev python3-pydot libpng-dev libelf-dev pkg-config pip \
-    python3-venv black gcc-10 g++-10
+    python3-venv black gcc-10 g++-10 cmake
 
 RUN pip install mypy pre-commit
 
diff --git a/util/dockerfiles/ubuntu-22.04_all-dependencies/Dockerfile b/util/dockerfiles/ubuntu-22.04_all-dependencies/Dockerfile
index 9e2580e642..679248a081 100644
--- a/util/dockerfiles/ubuntu-22.04_all-dependencies/Dockerfile
+++ b/util/dockerfiles/ubuntu-22.04_all-dependencies/Dockerfile
@@ -31,6 +31,6 @@ RUN apt -y update && apt -y upgrade && \
     apt -y install build-essential git m4 scons zlib1g zlib1g-dev \
     libprotobuf-dev protobuf-compiler libprotoc-dev libgoogle-perftools-dev \
     python3-dev doxygen libboost-all-dev libhdf5-serial-dev python3-pydot \
-    libpng-dev libelf-dev pkg-config pip python3-venv black
+    libpng-dev libelf-dev pkg-config pip python3-venv black cmake
 
 RUN pip install mypy pre-commit