diff --git a/job_templates/ci_job.xml.em b/job_templates/ci_job.xml.em
index cb515835..9be472ce 100644
--- a/job_templates/ci_job.xml.em
+++ b/job_templates/ci_job.xml.em
@@ -98,6 +98,7 @@ use_fastrtps_dynamic: ${build.buildVariableResolver.resolve('CI_USE_FASTRTPS_DYN
 ci_branch: ${build.buildVariableResolver.resolve('CI_SCRIPTS_BRANCH')}, <br/>
 repos_url: ${build.buildVariableResolver.resolve('CI_ROS2_REPOS_URL')}, <br/>
 supplemental_repos_url: ${build.buildVariableResolver.resolve('CI_ROS2_SUPPLEMENTAL_REPOS_URL')}, <br/>
+pixi_toml_url: ${build.buildVariableResolver.resolve('CI_PIXI_TOML_URL')}, <br/>
 colcon_branch: ${build.buildVariableResolver.resolve('CI_COLCON_BRANCH')}, <br/>
 use_whitespace: ${build.buildVariableResolver.resolve('CI_USE_WHITESPACE_IN_PATHS')}, <br/>
 isolated: ${build.buildVariableResolver.resolve('CI_ISOLATED')}, <br/>
@@ -260,6 +261,9 @@ if "!CI_BRANCH_TO_TEST!" NEQ "" (
 if "!CI_COLCON_BRANCH!" NEQ "" (
   set "CI_ARGS=!CI_ARGS! --colcon-branch !CI_COLCON_BRANCH!"
 )
+if "!CI_PIXI_TOML_URL!" NEQ "" (
+  set "BUILD_ARGS=!BUILD_ARGS! --build-arg PIXI_TOML_URL=%CI_PIXI_TOML_URL%"
+)
 if "!CI_USE_WHITESPACE_IN_PATHS!" == "true" (
   set "CI_ARGS=!CI_ARGS! --white-space-in sourcespace buildspace installspace workspace"
 )
diff --git a/job_templates/packaging_job.xml.em b/job_templates/packaging_job.xml.em
index e61f0581..ab3ef176 100644
--- a/job_templates/packaging_job.xml.em
+++ b/job_templates/packaging_job.xml.em
@@ -256,6 +256,9 @@ if "!CI_BRANCH_TO_TEST!" NEQ "" (
 if "!CI_COLCON_BRANCH!" NEQ "" (
   set "CI_ARGS=!CI_ARGS! --colcon-branch !CI_COLCON_BRANCH!"
 )
+if "!CI_PIXI_TOML_URL!" NEQ "" (
+  set "BUILD_ARGS=!BUILD_ARGS! --build-arg PIXI_TOML_URL=!CI_PIXI_TOML_URL!%"
+)
 if "!CI_USE_CONNEXTDDS!" == "false" (
   set "CI_ARGS=!CI_ARGS! --ignore-rmw rmw_connextdds"
 )
diff --git a/job_templates/snippet/property_parameter-definition_common.xml.em b/job_templates/snippet/property_parameter-definition_common.xml.em
index 8e0c9367..e0804f2d 100644
--- a/job_templates/snippet/property_parameter-definition_common.xml.em
+++ b/job_templates/snippet/property_parameter-definition_common.xml.em
@@ -32,6 +32,14 @@ Use this instead of the Custom .repos file if you want to add to the default rep
           <defaultValue>@supplemental_repos_url</defaultValue>
           <trim>false</trim>
         </hudson.model.StringParameterDefinition>
+        <hudson.model.StringParameterDefinition>
+          <name>CI_PIXI_TOML_URL</name>
+          <description>Custom pixi.toml file URL to use instead of the default pixi.toml file.
+For example, copy the content of pixi.toml to use instead of the default in a gist, then pass the raw URL here. 
+The pixi.toml file defines the Pixi environment configuration for the build.</description>
+          <defaultValue></defaultValue>
+          <trim>false</trim>
+        </hudson.model.StringParameterDefinition>
         <hudson.model.StringParameterDefinition>
           <name>CI_COLCON_BRANCH</name>
           <description>Use a specific branch of the colcon repositories.
diff --git a/windows_docker_resources/Dockerfile b/windows_docker_resources/Dockerfile
index ea09b934..02d812ab 100644
--- a/windows_docker_resources/Dockerfile
+++ b/windows_docker_resources/Dockerfile
@@ -18,6 +18,10 @@ ARG WINDOWS_RELEASE_VERSION=$WINDOWS_RELEASE_ID
 # Use --isolation=process if you need to build in a mounted volume
 FROM mcr.microsoft.com/windows/server:$WINDOWS_RELEASE_VERSION
 
+# Set ROS distro value and pixi.toml url
+ARG ROS_DISTRO=rolling
+ARG PIXI_TOML_URL=https://raw.githubusercontent.com/ros2/ros2/refs/heads/${ROS_DISTRO}/pixi.toml
+
 # Enable long paths on folders
 RUN powershell -noexit "New-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem' -Name 'LongPathsEnabled' -Value 1 -PropertyType DWORD -Force"
 
@@ -48,9 +52,8 @@ RUN powershell -noexit "$bindir = Join-Path $Env:USERPROFILE\.pixi 'bin' ; $path
 RUN echo "@today_str"
 
 # Install dependencies via pixi
-ARG ROS_DISTRO=rolling
 WORKDIR C:\pixi_ws
-RUN powershell -noexit irm https://raw.githubusercontent.com/ros2/ros2/refs/heads/%ROS_DISTRO%/pixi.toml -OutFile pixi.toml
+RUN powershell -Command "Invoke-RestMethod -Uri $env:PIXI_TOML_URL -OutFile pixi.toml"
 RUN pixi --color never --no-progress -q install
 RUN pixi --color never --no-progress -q list