diff --git a/changes/bug13100 b/changes/bug13100
new file mode 100644
index 000000000..bbe43e65a
--- /dev/null
+++ b/changes/bug13100
@@ -0,0 +1,3 @@
+  o Directory authority changes:
+    - Change IP address for gabelmoo (v3 directory authority).
+
diff --git a/src/or/config.c b/src/or/config.c
index 31a358625..39b85aa1a 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -863,7 +863,7 @@ add_default_trusted_dir_authorities(dirinfo_type_t type)
       "76.73.17.194:9030 F397 038A DC51 3361 35E7 B80B D99C A384 4360 292B",
     "gabelmoo orport=443 "
       "v3ident=ED03BB616EB2F60BEC80151114BB25CEF515B226 "
-      "212.112.245.170:80 F204 4413 DAC2 E02E 3D6B CF47 35A1 9BCA 1DE9 7281",
+      "131.188.40.189:80 F204 4413 DAC2 E02E 3D6B CF47 35A1 9BCA 1DE9 7281",
     "dannenberg orport=443 "
       "v3ident=585769C78764D58426B8B52B6651A5A71137189A "
       "193.23.244.244:80 7BE6 83E6 5D48 1413 21C5 ED92 F075 C553 64AC 7123",