diff --git a/gemserv.cabal b/gemserv.cabal
index 01d6aeb..963cdaa 100644
--- a/gemserv.cabal
+++ b/gemserv.cabal
@@ -30,6 +30,8 @@ library
   build-depends:
       base >=4.7 && <5
     , tcp-streams >=1.0.1.1 && <1.1
+    , tls
+    , x509
   default-language: Haskell2010
 
 test-suite gemserv-test
@@ -45,4 +47,6 @@ test-suite gemserv-test
     , gemserv
     , hspec >=2.7.10 && <2.8
     , tcp-streams >=1.0.1.1 && <1.1
+    , tls
+    , x509
   default-language: Haskell2010
diff --git a/package.yaml b/package.yaml
index 80c02c1..4d8ffb5 100644
--- a/package.yaml
+++ b/package.yaml
@@ -24,6 +24,8 @@ ghc-options:
 dependencies:
 - base >= 4.7 && < 5
 - tcp-streams >= 1.0.1.1 && < 1.1
+- tls
+- x509
 
 library:
   source-dirs: src