--- a/testing/mozharness/configs/unittests/linux_unittest.py
+++ b/testing/mozharness/configs/unittests/linux_unittest.py
@@ -59,16 +59,17 @@ config = {
     "minimum_tests_zip_dirs": [
         "bin/*",
         "certs/*",
         "config/*",
         "mach",
         "marionette/*",
         "modules/*",
         "mozbase/*",
+        "mozinfo.json",
         "tools/*",
     ],
     "specific_tests_zip_dirs": {
         "mochitest": ["mochitest/*"],
         "reftest": ["reftest/*", "jsreftest/*"],
         "xpcshell": ["xpcshell/*"],
         "cppunittest": ["cppunittest/*"],
         "gtest": ["gtest/*"],

--- a/testing/mozharness/configs/unittests/mac_unittest.py
+++ b/testing/mozharness/configs/unittests/mac_unittest.py
@@ -36,16 +36,17 @@ config = {
     "minimum_tests_zip_dirs": [
         "bin/*",
         "certs/*",
         "config/*",
         "mach",
         "marionette/*",
         "modules/*",
         "mozbase/*",
+        "mozinfo.json",
         "tools/*",
     ],
     "specific_tests_zip_dirs": {
         "mochitest": ["mochitest/*"],
         "reftest": ["reftest/*", "jsreftest/*"],
         "xpcshell": ["xpcshell/*"],
         "cppunittest": ["cppunittest/*"],
         "gtest": ["gtest/*"],

--- a/testing/mozharness/configs/unittests/win_unittest.py
+++ b/testing/mozharness/configs/unittests/win_unittest.py
@@ -47,16 +47,17 @@ config = {
     "minimum_tests_zip_dirs": [
         "bin/*",
         "certs/*",
         "config/*",
         "mach",
         "marionette/*",
         "modules/*",
         "mozbase/*",
+        "mozinfo.json",
         "tools/*",
     ],
     "specific_tests_zip_dirs": {
         "mochitest": ["mochitest/*"],
         "reftest": ["reftest/*", "jsreftest/*"],
         "xpcshell": ["xpcshell/*"],
         "cppunittest": ["cppunittest/*"],
         "gtest": ["gtest/*"],