diff --git a/main.py b/main.py
index d2a303ca3..5f6bd81f2 100755
--- a/main.py
+++ b/main.py
@@ -364,7 +364,7 @@ class _BasicAuthHandler(urllib.request.HTTPBasicAuthHandler):
       req.add_header = _add_header
       return urllib.request.AbstractBasicAuthHandler.http_error_auth_reqed(
           self, authreq, host, req, headers)
-    except:
+    except Exception:
       reset = getattr(self, 'reset_retry_count', None)
       if reset is not None:
         reset()
@@ -389,7 +389,7 @@ class _DigestAuthHandler(urllib.request.HTTPDigestAuthHandler):
       req.add_header = _add_header
       return urllib.request.AbstractDigestAuthHandler.http_error_auth_reqed(
           self, auth_header, host, req, headers)
-    except:
+    except Exception:
       reset = getattr(self, 'reset_retry_count', None)
       if reset is not None:
         reset()
@@ -432,7 +432,7 @@ class _KerberosAuthHandler(urllib.request.BaseHandler):
         return response
     except kerberos.GSSError:
       return None
-    except:
+    except Exception:
       self.reset_retry_count()
       raise
     finally:
diff --git a/project.py b/project.py
index 372421cf3..016f4a535 100644
--- a/project.py
+++ b/project.py
@@ -2619,7 +2619,7 @@ class Project(object):
                                                   (self.worktree)):
                 platform_utils.rmtree(platform_utils.realpath(self.worktree))
               return self._InitGitDir(mirror_git=mirror_git, force_sync=False)
-            except:
+            except Exception:
               raise e
           raise e
 
@@ -2864,7 +2864,7 @@ class Project(object):
         try:
           platform_utils.rmtree(dotgit)
           return self._InitWorkTree(force_sync=False, submodules=submodules)
-        except:
+        except Exception:
           raise e
       raise e
 
diff --git a/subcmds/sync.py b/subcmds/sync.py
index c433ce6f7..cc058af64 100644
--- a/subcmds/sync.py
+++ b/subcmds/sync.py
@@ -603,7 +603,7 @@ later is required to fix a server side protocol bug.
           bare_git.gc('--auto', config=config)
         except GitError:
           err_event.set()
-        except:
+        except Exception:
           err_event.set()
           raise
       finally: