diff --git a/.travis.yml b/.travis.yml
index f9dbcb6..ae06282 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,7 @@ jobs:
       env: TOX_ENV=py37-sentry22
 install:
   - sudo apt update
-  - sudo apt install libxml2-dev libxmlsec1-dev libxmlsec1-openssl pkg-config -y
+  - sudo apt install libnss3-dev libxml2-dev libxmlsec1-dev libxmlsec1-openssl pkg-config -y
   - docker network create -d bridge sentry_test
   - docker run -p 8123:8123 -p 9000:9000 -p 9009:9009 --network sentry_test -d --name
     sentry_clickhouse yandex/clickhouse-server:20.3.9.70