diff --git a/llvmbisect/llvmlab/gcs.py b/llvmbisect/llvmlab/gcs.py
index 81c481dfa..e5e370d16 100644
--- a/llvmbisect/llvmlab/gcs.py
+++ b/llvmbisect/llvmlab/gcs.py
@@ -73,7 +73,7 @@ def fetch_builds(project):
 
 def get_compiler(url, filename):
     """Get the compiler at the url, and save to filename."""
-    r = HTTP_CLIENT.get(url)
+    r = HTTP_CLIENT.get(url, timeout=300)  # 5 minutes for large downloads
     r.raise_for_status()
     with open(filename, 'wb') as fd:
         for chunk in r.iter_content(CHUNK_SIZE):
diff --git a/premerge/ops-container/process_llvm_commits.py b/premerge/ops-container/process_llvm_commits.py
index f3c8a4628..162f7f555 100644
--- a/premerge/ops-container/process_llvm_commits.py
+++ b/premerge/ops-container/process_llvm_commits.py
@@ -135,6 +135,7 @@ def query_github_graphql_api(
           "Authorization": f"bearer {github_token}",
       },
       json={"query": query},
+      timeout=30,
   )
 
   # Exit if API call fails
diff --git a/zorg/jenkins/build.py b/zorg/jenkins/build.py
index 783d9cb29..065ba5c8d 100644
--- a/zorg/jenkins/build.py
+++ b/zorg/jenkins/build.py
@@ -784,7 +784,7 @@ def http_download(url, dest):
     try:
         print("GETting", url, "to", dest, "...")
         session = requests.Session()
-        r = session.get(url)
+        r = session.get(url, timeout=60)
         r.raise_for_status()
         # Open our local file for writing
         with open(dest, "wb") as local_file:
diff --git a/zorg/jenkins/jobs/util/submit-debuginfo-statistics-to-lnt.py b/zorg/jenkins/jobs/util/submit-debuginfo-statistics-to-lnt.py
index dc0950000..3908f9632 100644
--- a/zorg/jenkins/jobs/util/submit-debuginfo-statistics-to-lnt.py
+++ b/zorg/jenkins/jobs/util/submit-debuginfo-statistics-to-lnt.py
@@ -46,8 +46,8 @@
 
 pprint.pprint(to_send)
 try:
-    requests.post("http://104.154.54.203/db_default/v4/nts/submitRun", data=to_send).raise_for_status()
+    requests.post("http://104.154.54.203/db_default/v4/nts/submitRun", data=to_send, timeout=30).raise_for_status()
 except:
     time.sleep(10)
     print("Sleeping because of error.")
-    requests.post("http://104.154.54.203/db_default/v4/nts/submitRun", data=to_send).raise_for_status()
\ No newline at end of file
+    requests.post("http://104.154.54.203/db_default/v4/nts/submitRun", data=to_send, timeout=30).raise_for_status()
\ No newline at end of file
diff --git a/zorg/jenkins/jobs/util/submit-lldb-statistics-to-lnt.py b/zorg/jenkins/jobs/util/submit-lldb-statistics-to-lnt.py
index af87bc16e..28e5c519c 100644
--- a/zorg/jenkins/jobs/util/submit-lldb-statistics-to-lnt.py
+++ b/zorg/jenkins/jobs/util/submit-lldb-statistics-to-lnt.py
@@ -59,8 +59,8 @@
 
     pprint.pprint(to_send)
     try:
-        requests.post("http://104.154.54.203/db_default/v4/nts/submitRun", data=to_send).raise_for_status()
+        requests.post("http://104.154.54.203/db_default/v4/nts/submitRun", data=to_send, timeout=30).raise_for_status()
     except:
         time.sleep(10)
         print("Sleeping because of error.")
-        requests.post("http://104.154.54.203/db_default/v4/nts/submitRun", data=to_send).raise_for_status()
+        requests.post("http://104.154.54.203/db_default/v4/nts/submitRun", data=to_send, timeout=30).raise_for_status()