diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 5ada2cedd..62f2fd859 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -28,7 +28,7 @@ concurrency:
 jobs:
   cpp-build:
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/conda-cpp-build.yaml@branch-24.08
+    uses: rapidsai/shared-workflows/.github/workflows/conda-cpp-build.yaml@earliest-dependencies
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
@@ -37,7 +37,7 @@ jobs:
   python-build:
     needs: [cpp-build]
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/conda-python-build.yaml@branch-24.08
+    uses: rapidsai/shared-workflows/.github/workflows/conda-python-build.yaml@earliest-dependencies
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
@@ -46,7 +46,7 @@ jobs:
   upload-conda:
     needs: [cpp-build, python-build]
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/conda-upload-packages.yaml@branch-24.08
+    uses: rapidsai/shared-workflows/.github/workflows/conda-upload-packages.yaml@earliest-dependencies
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
@@ -56,7 +56,7 @@ jobs:
     if: github.ref_type == 'branch'
     needs: python-build
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/custom-job.yaml@branch-24.08
+    uses: rapidsai/shared-workflows/.github/workflows/custom-job.yaml@earliest-dependencies
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
@@ -68,7 +68,7 @@ jobs:
       run_script: "ci/build_docs.sh"
   wheel-build-cpp:
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@branch-24.08
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@earliest-dependencies
     with:
       matrix_filter: group_by([.ARCH, (.CUDA_VER|split(".")|map(tonumber)|.[0])]) | map(max_by(.PY_VER|split(".")|map(tonumber)))
       build_type: ${{ inputs.build_type || 'branch' }}
@@ -79,7 +79,7 @@ jobs:
   wheel-build-python:
     needs: wheel-build-cpp
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@branch-24.08
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@earliest-dependencies
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
@@ -89,7 +89,7 @@ jobs:
   wheel-publish-cpp:
     needs: wheel-build-cpp
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-publish.yaml@branch-24.08
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-publish.yaml@earliest-dependencies
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
@@ -100,7 +100,7 @@ jobs:
   wheel-publish-python:
     needs: wheel-build-python
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-publish.yaml@branch-24.08
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-publish.yaml@earliest-dependencies
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
diff --git a/.github/workflows/pr.yaml b/.github/workflows/pr.yaml
index 68562b467..d32ce993f 100644
--- a/.github/workflows/pr.yaml
+++ b/.github/workflows/pr.yaml
@@ -23,40 +23,40 @@ jobs:
       - wheel-tests
       - devcontainer
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/pr-builder.yaml@branch-24.08
+    uses: rapidsai/shared-workflows/.github/workflows/pr-builder.yaml@earliest-dependencies
   checks:
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/checks.yaml@branch-24.08
+    uses: rapidsai/shared-workflows/.github/workflows/checks.yaml@earliest-dependencies
     with:
       enable_check_generated_files: false
   conda-cpp-build:
     needs: checks
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/conda-cpp-build.yaml@branch-24.08
+    uses: rapidsai/shared-workflows/.github/workflows/conda-cpp-build.yaml@earliest-dependencies
     with:
       build_type: pull-request
   conda-cpp-tests:
     needs: conda-cpp-build
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/conda-cpp-tests.yaml@branch-24.08
+    uses: rapidsai/shared-workflows/.github/workflows/conda-cpp-tests.yaml@earliest-dependencies
     with:
       build_type: pull-request
   conda-python-build:
     needs: conda-cpp-build
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/conda-python-build.yaml@branch-24.08
+    uses: rapidsai/shared-workflows/.github/workflows/conda-python-build.yaml@earliest-dependencies
     with:
       build_type: pull-request
   conda-python-tests:
     needs: conda-python-build
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/conda-python-tests.yaml@branch-24.08
+    uses: rapidsai/shared-workflows/.github/workflows/conda-python-tests.yaml@earliest-dependencies
     with:
       build_type: pull-request
   docs-build:
     needs: conda-python-build
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/custom-job.yaml@branch-24.08
+    uses: rapidsai/shared-workflows/.github/workflows/custom-job.yaml@earliest-dependencies
     with:
       build_type: pull-request
       node_type: "gpu-v100-latest-1"
@@ -66,7 +66,7 @@ jobs:
   wheel-build-cpp:
     needs: checks
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@branch-24.08
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@earliest-dependencies
     with:
       matrix_filter: group_by([.ARCH, (.CUDA_VER|split(".")|map(tonumber)|.[0])]) | map(max_by(.PY_VER|split(".")|map(tonumber)))
       build_type: pull-request
@@ -74,20 +74,20 @@ jobs:
   wheel-build-python:
     needs: wheel-build-cpp
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@branch-24.08
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@earliest-dependencies
     with:
       build_type: pull-request
       script: ci/build_wheel_python.sh
   wheel-tests:
     needs: wheel-build-python
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-test.yaml@branch-24.08
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-test.yaml@earliest-dependencies
     with:
       build_type: pull-request
       script: ci/test_wheel.sh
   devcontainer:
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/build-in-devcontainer.yaml@branch-24.08
+    uses: rapidsai/shared-workflows/.github/workflows/build-in-devcontainer.yaml@earliest-dependencies
     with:
       arch: '["amd64"]'
       cuda: '["12.2"]'
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 42cdcb282..d4afd1407 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -16,7 +16,7 @@ on:
 jobs:
   cpp-tests:
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/conda-cpp-tests.yaml@branch-24.08
+    uses: rapidsai/shared-workflows/.github/workflows/conda-cpp-tests.yaml@earliest-dependencies
     with:
       build_type: nightly
       branch: ${{ inputs.branch }}
@@ -24,7 +24,7 @@ jobs:
       sha: ${{ inputs.sha }}
   python-tests:
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/conda-python-tests.yaml@branch-24.08
+    uses: rapidsai/shared-workflows/.github/workflows/conda-python-tests.yaml@earliest-dependencies
     with:
       build_type: nightly
       branch: ${{ inputs.branch }}
@@ -32,7 +32,7 @@ jobs:
       sha: ${{ inputs.sha }}
   wheel-tests:
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-test.yaml@branch-24.08
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-test.yaml@earliest-dependencies
     with:
       build_type: nightly
       branch: ${{ inputs.branch }}
diff --git a/ci/test_python.sh b/ci/test_python.sh
index 3239beaf1..386d0b063 100755
--- a/ci/test_python.sh
+++ b/ci/test_python.sh
@@ -12,7 +12,7 @@ rapids-logger "Create test conda environment"
 rapids-dependency-file-generator \
   --output conda \
   --file-key test_python \
-  --matrix "cuda=${RAPIDS_CUDA_VERSION%.*};arch=$(arch);py=${RAPIDS_PY_VERSION}" | tee env.yaml
+  --matrix "cuda=${RAPIDS_CUDA_VERSION%.*};arch=$(arch);py=${RAPIDS_PY_VERSION};dependencies=${RAPIDS_DEPENDENCIES}" | tee env.yaml
 
 rapids-mamba-retry env create --yes -f env.yaml -n test
 set +u
diff --git a/ci/test_wheel.sh b/ci/test_wheel.sh
index 8ba03f3a2..593e3e97b 100755
--- a/ci/test_wheel.sh
+++ b/ci/test_wheel.sh
@@ -6,8 +6,19 @@ set -eou pipefail
 RAPIDS_PY_CUDA_SUFFIX="$(rapids-wheel-ctk-name-gen ${RAPIDS_CUDA_VERSION})"
 WHEELHOUSE="${PWD}/dist/"
 RAPIDS_PY_WHEEL_NAME="rmm_${RAPIDS_PY_CUDA_SUFFIX}" rapids-download-wheels-from-s3 python "${WHEELHOUSE}"
+PIP_PACKAGE=$(echo "${WHEELHOUSE}"/rmm_"${RAPIDS_PY_CUDA_SUFFIX}"*.whl | head -n1)
 
-# echo to expand wildcard before adding '[extra]' requires for pip
-python -m pip install -v "$(echo "${WHEELHOUSE}"/rmm_${RAPIDS_PY_CUDA_SUFFIX}*.whl)[test]"
+# Use `package[test]` to install latest test dependencies or explicitly install oldest.
+if [[ $RAPIDS_DEPENDENCIES != "earliest" ]]; then
+  python -m pip install -v "${PIP_PACKAGE}[test]"
+else
+  rapids-dependency-file-generator \
+      --output requirements \
+      --file-key test_python \
+      --matrix "cuda=${RAPIDS_CUDA_VERSION%.*};arch=$(arch);py=${RAPIDS_PY_VERSION};dependencies=${RAPIDS_DEPENDENCIES}" \
+    | tee oldest-dependencies.txt
+
+  python -m pip install -v "$PIP_PACKAGE" -r oldest-dependencies.txt
+fi
 
 python -m pytest ./python/rmm/rmm/tests
diff --git a/conda/environments/all_cuda-118_arch-x86_64.yaml b/conda/environments/all_cuda-118_arch-x86_64.yaml
index f6f179f77..0e5f7c1fa 100644
--- a/conda/environments/all_cuda-118_arch-x86_64.yaml
+++ b/conda/environments/all_cuda-118_arch-x86_64.yaml
@@ -26,7 +26,7 @@ dependencies:
 - nbsphinx
 - ninja
 - numba>=0.57
-- numpy>=1.23,<2.0a0
+- numpy>=1.23,<3
 - numpydoc
 - nvcc_linux-64=11.8
 - pre-commit
diff --git a/conda/environments/all_cuda-122_arch-x86_64.yaml b/conda/environments/all_cuda-122_arch-x86_64.yaml
index 42cb364dc..c40c743e5 100644
--- a/conda/environments/all_cuda-122_arch-x86_64.yaml
+++ b/conda/environments/all_cuda-122_arch-x86_64.yaml
@@ -26,7 +26,7 @@ dependencies:
 - nbsphinx
 - ninja
 - numba>=0.57
-- numpy>=1.23,<2.0a0
+- numpy>=1.23,<3
 - numpydoc
 - pre-commit
 - pytest
diff --git a/dependencies.yaml b/dependencies.yaml
index 834d2ba6e..4731f7392 100644
--- a/dependencies.yaml
+++ b/dependencies.yaml
@@ -272,7 +272,7 @@ dependencies:
       - output_types: [conda, requirements, pyproject]
         packages:
           - numba>=0.57
-          - numpy>=1.23,<2.0a0
+          - numpy>=1.23,<3
     specific:
       - output_types: [conda, requirements, pyproject]
         matrices:
@@ -306,3 +306,14 @@ dependencies:
               - cuda-nvcc
           - matrix:
             packages:
+    specific:
+      - output_types: [conda, requirements, pyproject]
+        matrices:
+          - matrix:
+              dependencies: "earliest"
+            packages:
+              - numba==0.57.*
+              - numpy==1.23.*
+          # No pinnings except for earliest dependencies
+          - matrix:
+            packages:
diff --git a/python/rmm/pyproject.toml b/python/rmm/pyproject.toml
index 9cbabda61..0881553b2 100644
--- a/python/rmm/pyproject.toml
+++ b/python/rmm/pyproject.toml
@@ -32,7 +32,7 @@ requires-python = ">=3.9"
 dependencies = [
     "cuda-python>=11.7.1,<12.0a0",
     "numba>=0.57",
-    "numpy>=1.23,<2.0a0",
+    "numpy>=1.23,<3",
 ] # This list was generated by `rapids-dependency-file-generator`. To make changes, edit ../../dependencies.yaml and run `rapids-dependency-file-generator`.
 classifiers = [
     "Intended Audience :: Developers",