diff --git a/mongo/include/userver/storages/mongo/component.hpp b/mongo/include/userver/storages/mongo/component.hpp
index ea72d3500e1e..cb46d42230ee 100644
--- a/mongo/include/userver/storages/mongo/component.hpp
+++ b/mongo/include/userver/storages/mongo/component.hpp
@@ -34,7 +34,7 @@ namespace components {
 /// mongo-taxi:
 ///   dbalias: taxi
 ///   appname: userver-sample
-///   conn_timeout: 2s
+///   conn_timeout: 100ms
 ///   so_timeout: 10s
 ///   queue_timeout: 1s
 ///   initial_size: 16
@@ -53,7 +53,7 @@ namespace components {
 /// dbalias | name of the database in secdist config (if available) | --
 /// dbconnection | connection string (used if no dbalias specified) | --
 /// appname | application name for the DB server | userver
-/// conn_timeout | connection timeout | 2s
+/// conn_timeout | connection timeout | 100ms
 /// so_timeout | socket timeout | 10s
 /// queue_timeout | max connection queue wait time | 1s
 /// initial_size | number of connections created initially | 16
@@ -139,7 +139,7 @@ inline constexpr bool kHasValidate<Mongo> = true;
 /// ```
 /// multi-mongo:
 ///   appname: userver-sample
-///   conn_timeout: 2s
+///   conn_timeout: 100ms
 ///   so_timeout: 10s
 ///   queue_timeout: 1s
 ///   initial_size: 16
@@ -154,7 +154,7 @@ inline constexpr bool kHasValidate<Mongo> = true;
 /// Name | Description | Default value
 /// ---- | ----------- | -------------
 /// appname | application name for the DB server | userver
-/// conn_timeout | connection timeout | 2s
+/// conn_timeout | connection timeout | 100ms
 /// so_timeout | socket timeout | 10s
 /// queue_timeout | max connection queue wait time | 1s
 /// initial_size | number of connections created initially (per database) | 16
diff --git a/mongo/include/userver/storages/mongo/pool_config.hpp b/mongo/include/userver/storages/mongo/pool_config.hpp
index dc61a07b7bd5..466b3b7f2593 100644
--- a/mongo/include/userver/storages/mongo/pool_config.hpp
+++ b/mongo/include/userver/storages/mongo/pool_config.hpp
@@ -58,7 +58,7 @@ struct PoolConfig final {
     };
 
     /// Default connection timeout
-    static constexpr auto kDefaultConnTimeout = std::chrono::seconds{2};
+    static constexpr auto kDefaultConnTimeout = std::chrono::milliseconds{100};
     /// Default socket timeout
     static constexpr auto kDefaultSoTimeout = std::chrono::seconds{10};
     /// Default connection queue timeout
diff --git a/mongo/src/storages/mongo/component.cpp b/mongo/src/storages/mongo/component.cpp
index 664848c79d41..ed6485563aa3 100644
--- a/mongo/src/storages/mongo/component.cpp
+++ b/mongo/src/storages/mongo/component.cpp
@@ -133,7 +133,7 @@ additionalProperties: false
     conn_timeout:
         type: string
         description: connection timeout
-        defaultDescription: 2s
+        defaultDescription: 100ms
     so_timeout:
         type: string
         description: socket timeout