diff --git a/jacobi-elliptic.cabal b/jacobi-elliptic.cabal
index 2baf932..9f05a57 100644
--- a/jacobi-elliptic.cabal
+++ b/jacobi-elliptic.cabal
@@ -19,7 +19,7 @@ library
   exposed-modules:     Math.NevilleTheta
                      , Math.JacobiElliptic
   build-depends:       base >= 4.7 && < 5
-                     , jacobi-theta >= 0.2.1.0
+                     , jacobi-theta >= 0.2.1.1
                      , elliptic-integrals >= 0.1.0.0
   default-language:    Haskell2010
   ghc-options:         -Wall
diff --git a/stack.yaml b/stack.yaml
index f6768b5..69c7837 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -5,4 +5,4 @@ packages:
 
 extra-deps: 
 - elliptic-integrals-0.1.0.0
-- jacobi-theta-0.2.1.0
+- jacobi-theta-0.2.1.1