diff --git a/.github/workflows/build-cibw.yml b/.github/workflows/build-cibw.yml
index e2b8919cb..018d22a60 100644
--- a/.github/workflows/build-cibw.yml
+++ b/.github/workflows/build-cibw.yml
@@ -24,8 +24,10 @@ jobs:
         with:
           python-version: ${{ matrix.python_version }}
 
-      - name: Set Nightly Flag
-        run: echo "NIGHTLY=1" >> $GITHUB_ENV
+      - name: Set Develop Flag
+        run: |
+          echo "DEVELOP=1" >> $GITHUB_ENV
+          echo "COMMIT_HASH=$(git rev-parse --short=7 "$GITHUB_SHA")" >> $GITHUB_ENV
 
       - name: Install Dependencies
         run: |
@@ -41,7 +43,7 @@ jobs:
           CIBW_BUILD: cp${{ matrix.cibw_python_version }}-${{ matrix.platform_id }}
           CIBW_MANYLINUX_X86_64_IMAGE: ${{ matrix.manylinux_image }}
           CIBW_ARCHS: all
-          CIBW_ENVIRONMENT_PASS_LINUX: NIGHTLY
+          CIBW_ENVIRONMENT_PASS_LINUX: DEVELOP COMMIT_HASH
 
           CIBW_BUILD_FRONTEND: "build"
           CIBW_BEFORE_ALL: bash {project}/build_tools/wheels/cibw_before_all.sh ${{ matrix.python_version }} {project}
diff --git a/CMakeLists.txt b/CMakeLists.txt
index e2bc9da5e..f1070bfc6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,10 +10,9 @@ set (GTSAM_VERSION_PATCH 0)
 set (GTSAM_PRERELEASE_VERSION "a0")
 math (EXPR GTSAM_VERSION_NUMERIC "10000 * ${GTSAM_VERSION_MAJOR} + 100 * ${GTSAM_VERSION_MINOR} + ${GTSAM_VERSION_PATCH}")
 
-if (DEFINED ENV{NIGHTLY})
-    string(TIMESTAMP NOW "%Y.%m.%d.%H.%M")
-    set (GTSAM_VERSION_STRING "${NOW}")
-    set (SETUP_NAME "gtsam-nightly")
+if (DEFINED ENV{DEVELOP})
+    set (GTSAM_VERSION_STRING "${GTSAM_VERSION_MAJOR}.${GTSAM_VERSION_MINOR}${GTSAM_PRERELEASE_VERSION}.$ENV{COMMIT_HASH}")
+    set (SETUP_NAME "gtsam-develop")
 elseif ("${GTSAM_PRERELEASE_VERSION}" STREQUAL "")
     set (GTSAM_VERSION_STRING "${GTSAM_VERSION_MAJOR}.${GTSAM_VERSION_MINOR}.${GTSAM_VERSION_PATCH}")
     set (SETUP_NAME "gtsam")
diff --git a/build_tools/wheels/build_wheels.sh b/build_tools/wheels/build_wheels.sh
index b8f0750a3..a8cbb93de 100644
--- a/build_tools/wheels/build_wheels.sh
+++ b/build_tools/wheels/build_wheels.sh
@@ -4,4 +4,4 @@ set -e
 set -x
 
 python -m pip install cibuildwheel
-python -m cibuildwheel build/python --output-dir wheelhouse
\ No newline at end of file
+python -m cibuildwheel build/python --output-dir wheelhouse
diff --git a/build_tools/wheels/cibw_before_all.sh b/build_tools/wheels/cibw_before_all.sh
index 5b0e71940..2659ff1b6 100644
--- a/build_tools/wheels/cibw_before_all.sh
+++ b/build_tools/wheels/cibw_before_all.sh
@@ -1,5 +1,8 @@
 #!/bin/bash
 
+# This script is invoked prior to building the wheels with cibuildwheel. It is used in the build-cibw.yml workflow in .github/workflows.
+# It installs the necessary dependencies and builds the wrapper module for the specified Python version.
+
 set -e
 set -x