diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,7 @@
+
+## 2.1.4
++ bump package versions, tls, warp and zlib
+
 ## 2.1.3
 
 * Add `healthcheck-path` global config for Keter-only healthchecks. PR #283
diff --git a/keter.cabal b/keter.cabal
--- a/keter.cabal
+++ b/keter.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               keter
-version:            2.1.3
+version:            2.1.4
 synopsis:
   Web application deployment manager, focusing on Haskell web frameworks. It mitigates downtime.
 
@@ -64,7 +64,7 @@
       template-haskell >=2.17.0 && <3.0,
       text >=1.2.5 && <3.0,
       time >=1.9.3 && <2.0,
-      tls >=1.5.7 && <2.0,
+      tls >=1.5.7 && <2.0 || ^>=2.0.0,
       tls-session-manager >=0.0.4 && <0.1,
       transformers >=0.5.6 && <0.7,
       unix >=2.7.2 && <2.9,
@@ -75,10 +75,10 @@
       wai >=3.2.3 && <3.3,
       wai-app-static >=3.1 && <3.2,
       wai-extra >=3.0.3 && <3.2,
-      warp >=3.3.20 && <3.4,
+      warp >=3.3.20 && <3.4 || ^>=3.4.0,
       warp-tls >=3.0.3 && <3.4.0 || ^>=3.4.0,
       yaml >=0.8.4 && <0.12,
-      zlib >=0.6.2 && <0.7
+      zlib >=0.6.2 && <0.7 || ^>=0.7.0
 
   if impl(ghc <7.6)
     build-depends: ghc-prim