diff --git a/cereal b/cereal
index bd31b25aac..7de3c7111e 160000
--- a/cereal
+++ b/cereal
@@ -1 +1 @@
-Subproject commit bd31b25aacc5b39f36cedcb0dabd05db471da59f
+Subproject commit 7de3c7111e78d87f9c43e2861a3e18aa59fde956
diff --git a/common/params.cc b/common/params.cc
index 3ce2505243..eb75705ca3 100644
--- a/common/params.cc
+++ b/common/params.cc
@@ -125,6 +125,7 @@ std::unordered_map<std::string, uint32_t> keys = {
     {"ForcePowerDown", PERSISTENT},
     {"GitBranch", PERSISTENT},
     {"GitCommit", PERSISTENT},
+    {"GitCommitDate", PERSISTENT},
     {"GitDiff", PERSISTENT},
     {"GithubSshKeys", PERSISTENT},
     {"GithubUsername", PERSISTENT},
diff --git a/selfdrive/manager/manager.py b/selfdrive/manager/manager.py
index 50ba73f18c..bf1eeb8fd0 100755
--- a/selfdrive/manager/manager.py
+++ b/selfdrive/manager/manager.py
@@ -19,7 +19,7 @@ from openpilot.selfdrive.athena.registration import register, UNREGISTERED_DONGL
 from openpilot.common.swaglog import cloudlog, add_file_handler
 from openpilot.system.version import is_dirty, get_commit, get_version, get_origin, get_short_branch, \
                            get_normalized_origin, terms_version, training_version, \
-                           is_tested_branch, is_release_branch
+                           is_tested_branch, is_release_branch, get_commit_date
 
 
 
@@ -66,6 +66,7 @@ def manager_init() -> None:
   params.put("TermsVersion", terms_version)
   params.put("TrainingVersion", training_version)
   params.put("GitCommit", get_commit())
+  params.put("GitCommitDate", get_commit_date())
   params.put("GitBranch", get_short_branch())
   params.put("GitRemote", get_origin())
   params.put_bool("IsTestedBranch", is_tested_branch())
diff --git a/system/loggerd/logger.cc b/system/loggerd/logger.cc
index 2fc6492ad4..7a829a2f1f 100644
--- a/system/loggerd/logger.cc
+++ b/system/loggerd/logger.cc
@@ -44,6 +44,7 @@ kj::Array<capnp::word> logger_build_init_data() {
   std::map<std::string, std::string> params_map = params.readAll();
 
   init.setGitCommit(params_map["GitCommit"]);
+  init.setGitCommitDate(params_map["GitCommitDate"]);
   init.setGitBranch(params_map["GitBranch"]);
   init.setGitRemote(params_map["GitRemote"]);
   init.setPassive(false);
diff --git a/system/loggerd/tests/test_loggerd.py b/system/loggerd/tests/test_loggerd.py
index 0cd8548809..963978926d 100755
--- a/system/loggerd/tests/test_loggerd.py
+++ b/system/loggerd/tests/test_loggerd.py
@@ -107,6 +107,7 @@ class TestLoggerd:
       # param, initData field, value
       ("DongleId", "dongleId", dongle),
       ("GitCommit", "gitCommit", "commit"),
+      ("GitCommitDate", "gitCommitDate", "date"),
       ("GitBranch", "gitBranch", "branch"),
       ("GitRemote", "gitRemote", "remote"),
     ]
diff --git a/system/version.py b/system/version.py
index 980a4fcc7c..e34458f16f 100755
--- a/system/version.py
+++ b/system/version.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 import os
 import subprocess
-from typing import List, Optional, Callable, TypeVar
+from typing import List, Callable, TypeVar
 from functools import lru_cache
 
 from openpilot.common.basedir import BASEDIR
@@ -22,7 +22,7 @@ def run_cmd(cmd: List[str]) -> str:
   return subprocess.check_output(cmd, encoding='utf8').strip()
 
 
-def run_cmd_default(cmd: List[str], default: Optional[str] = None) -> Optional[str]:
+def run_cmd_default(cmd: List[str], default: str = "") -> str:
   try:
     return run_cmd(cmd)
   except subprocess.CalledProcessError:
@@ -31,17 +31,22 @@ def run_cmd_default(cmd: List[str], default: Optional[str] = None) -> Optional[s
 
 @cache
 def get_commit(branch: str = "HEAD") -> str:
-  return run_cmd_default(["git", "rev-parse", branch]) or ""
+  return run_cmd_default(["git", "rev-parse", branch])
+
+
+@cache
+def get_commit_date(commit: str = "HEAD") -> str:
+  return run_cmd_default(["git", "show", "--no-patch", "--format='%ct %ci'", commit])
 
 
 @cache
 def get_short_branch() -> str:
-  return run_cmd_default(["git", "rev-parse", "--abbrev-ref", "HEAD"]) or ""
+  return run_cmd_default(["git", "rev-parse", "--abbrev-ref", "HEAD"])
 
 
 @cache
 def get_branch() -> str:
-  return run_cmd_default(["git", "rev-parse", "--abbrev-ref", "--symbolic-full-name", "@{u}"]) or ""
+  return run_cmd_default(["git", "rev-parse", "--abbrev-ref", "--symbolic-full-name", "@{u}"])
 
 
 @cache
@@ -51,7 +56,7 @@ def get_origin() -> str:
     tracking_remote = run_cmd(["git", "config", "branch." + local_branch + ".remote"])
     return run_cmd(["git", "config", "remote." + tracking_remote + ".url"])
   except subprocess.CalledProcessError:  # Not on a branch, fallback
-    return run_cmd_default(["git", "config", "--get", "remote.origin.url"]) or ""
+    return run_cmd_default(["git", "config", "--get", "remote.origin.url"])
 
 
 @cache
@@ -132,3 +137,4 @@ if __name__ == "__main__":
   print(f"Branch: {get_branch()}")
   print(f"Short branch: {get_short_branch()}")
   print(f"Prebuilt: {is_prebuilt()}")
+  print(f"Commit date: {get_commit_date()}")