diff --git a/subprojects/gst-devtools/validate/launcher/testsuites/check.py b/subprojects/gst-devtools/validate/launcher/testsuites/check.py
index 34fefb7176..02b469cdda 100644
--- a/subprojects/gst-devtools/validate/launcher/testsuites/check.py
+++ b/subprojects/gst-devtools/validate/launcher/testsuites/check.py
@@ -174,7 +174,13 @@ KNOWN_ISSUES = {
             r"check.gst-editing-services.check_edit_in_frames_with_framerate_mismatch",
         ],
         "max_retries": 1,
-    }
+    },
+    "https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/776": {
+        "tests": [
+            r"check.gst-plugins-base.validate.giosrc.read-growing-file",
+        ],
+        "max_retries": 1,
+    },
 }