diff --git a/packages/cli/src/index.ts b/packages/cli/src/index.ts
index 8363351..a031704 100644
--- a/packages/cli/src/index.ts
+++ b/packages/cli/src/index.ts
@@ -31,6 +31,7 @@ program
     'One or more globs matching image file paths to ignore (ex: "**/*.png **/diff.jpg")'
   )
   .option("--token <token>", "Repository token")
+  .option("--prNumber <number>", "Pull-request number")
   .option(
     "--build-name <string>",
     "Name of the build, in case you want to run multiple Argos builds in a single CI job"
@@ -49,6 +50,7 @@ program
         buildName: options.buildName,
         files: options.files,
         ignore: options.ignore,
+        prNumber: options.prNumber,
         parallel: options.parallel
           ? { nonce: options.parallelNonce, total: options.parallelTotal }
           : false,
diff --git a/packages/core/src/upload.ts b/packages/core/src/upload.ts
index f8e6544..f105343 100644
--- a/packages/core/src/upload.ts
+++ b/packages/core/src/upload.ts
@@ -23,6 +23,8 @@ export interface UploadParameters {
   branch?: string;
   /** Argos repository token */
   token?: string;
+  /** Pull-request number */
+  prNumber?: number;
   /** Name of the build used to trigger multiple Argos builds on one commit */
   buildName?: string;
   /** Parallel test suite mode */
@@ -37,7 +39,8 @@ export interface UploadParameters {
 }
 
 const getConfigFromOptions = (options: UploadParameters) => {
-  const { apiBaseUrl, commit, branch, token, buildName, parallel } = options;
+  const { apiBaseUrl, commit, branch, token, buildName, parallel, prNumber } =
+    options;
 
   const config = createConfig();
   config.load(
@@ -46,6 +49,7 @@ const getConfigFromOptions = (options: UploadParameters) => {
       commit,
       branch,
       token,
+      prNumber,
       buildName,
       parallel: Boolean(parallel),
       parallelNonce: parallel ? parallel.nonce : null,