diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 0.3.6.1
+* Loose upper bound for yaml 0.11
+
 ## 0.3.6.0
 * Add support to interpolate ENV variables in a configuration file.
 * Add support for GHC 8.6.1
diff --git a/hapistrano.cabal b/hapistrano.cabal
--- a/hapistrano.cabal
+++ b/hapistrano.cabal
@@ -1,5 +1,5 @@
 name:                hapistrano
-version:             0.3.6.0
+version:             0.3.6.1
 synopsis:            A deployment library for Haskell applications
 description:
   .
@@ -80,7 +80,7 @@
                      , path               >= 0.5 && < 0.7
                      , path-io            >= 1.2 && < 1.5
                      , stm                >= 2.4 && < 2.6
-                     , yaml               >= 0.8.16 && < 0.11
+                     , yaml               >= 0.8.16 && < 0.12
   if flag(dev)
     ghc-options:       -threaded -rtsopts -with-rtsopts=-N -Wall -Werror
   else