diff --git a/gemcap.cabal b/gemcap.cabal
index 4c67b2d..99c7423 100644
--- a/gemcap.cabal
+++ b/gemcap.cabal
@@ -39,7 +39,7 @@ library
     , network
     , tcp-streams >=1.0.1.1 && <1.1
     , text >=1.2.4.1 && <1.3
-    , tls
+    , tls >=1.5.8 && <1.6
     , transformers
     , x509
   default-language: Haskell2010
@@ -65,7 +65,7 @@ test-suite gemcap-test
     , network
     , tcp-streams >=1.0.1.1 && <1.1
     , text >=1.2.4.1 && <1.3
-    , tls
+    , tls >=1.5.8 && <1.6
     , transformers
     , x509
   default-language: Haskell2010
diff --git a/package.yaml b/package.yaml
index d7e2308..6589deb 100644
--- a/package.yaml
+++ b/package.yaml
@@ -30,7 +30,7 @@ dependencies:
 - text >= 1.2.4.1 && < 1.3
 - io-streams
 - network
-- tls
+- tls >= 1.5.8 && < 1.6
 - transformers
 - x509