diff --git a/changelog.d/20250819_142137_salome.voltz_scrt_5808_pyinstaller_deprecation_warning.md b/changelog.d/20250819_142137_salome.voltz_scrt_5808_pyinstaller_deprecation_warning.md
new file mode 100644
index 0000000000..6fa5208563
--- /dev/null
+++ b/changelog.d/20250819_142137_salome.voltz_scrt_5808_pyinstaller_deprecation_warning.md
@@ -0,0 +1,42 @@
+<!--
+A new scriv changelog fragment.
+
+Uncomment the section that is right (remove the HTML comment wrapper).
+For top level release notes, leave all the headers commented out.
+-->
+
+<!--
+### Removed
+
+- A bullet item for the Removed category.
+
+-->
+<!--
+### Added
+
+- A bullet item for the Added category.
+
+-->
+<!--
+### Changed
+
+- A bullet item for the Changed category.
+
+-->
+<!--
+### Deprecated
+
+- A bullet item for the Deprecated category.
+
+-->
+
+### Fixed
+
+- Remove PyInstaller's pkg_resources deprecation warning when running PyInstaller-based ggshield.
+<!--
+
+### Security
+
+- A bullet item for the Security category.
+
+-->
diff --git a/scripts/build-os-packages/build-os-packages b/scripts/build-os-packages/build-os-packages
index 2be2484d10..5508114ce1 100755
--- a/scripts/build-os-packages/build-os-packages
+++ b/scripts/build-os-packages/build-os-packages
@@ -178,7 +178,7 @@ step_build() {
         extra_args="--strip"
     fi
 
-    pyinstaller ggshield/__main__.py --name ggshield --noupx $extra_args
+    pyinstaller ggshield/__main__.py --name ggshield --exclude-module pkg_resources --noupx $extra_args
 
     if [ "$HUMAN_OS" != Windows ] ; then
         # Libraries do not need to be executable