diff --git a/examples/grenade-examples.cabal b/examples/grenade-examples.cabal
index b8f508a..b923685 100644
--- a/examples/grenade-examples.cabal
+++ b/examples/grenade-examples.cabal
@@ -26,7 +26,7 @@ executable             feedforward
                      , bytestring
                      , cereal
                      , either
-                     , optparse-applicative            == 0.13.*
+                     , optparse-applicative            >= 0.13       && < 0.15
                      , text                            == 1.2.*
                      , mtl                             >= 2.2.1      && < 2.3
                      , hmatrix
@@ -42,7 +42,7 @@ executable             mnist
                      , grenade
                      , attoparsec
                      , either
-                     , optparse-applicative            == 0.13.*
+                     , optparse-applicative            >= 0.13       && < 0.15
                      , text                            == 1.2.*
                      , mtl                             >= 2.2.1      && < 2.3
                      , hmatrix                         >= 0.18       && < 0.19
@@ -61,7 +61,7 @@ executable             gan-mnist
                      , bytestring
                      , cereal
                      , either
-                     , optparse-applicative            == 0.13.*
+                     , optparse-applicative            >= 0.13       && < 0.15
                      , text                            == 1.2.*
                      , mtl                             >= 2.2.1      && < 2.3
                      , hmatrix                         >= 0.18       && < 0.19
@@ -78,7 +78,7 @@ executable             recurrent
                      , grenade
                      , attoparsec
                      , either
-                     , optparse-applicative            == 0.13.*
+                     , optparse-applicative            >= 0.13       && < 0.15
                      , text                            == 1.2.*
                      , mtl                             >= 2.2.1      && < 2.3
                      , hmatrix                         >= 0.18       && < 0.19
@@ -96,7 +96,7 @@ executable             shakespeare
                      , bytestring
                      , cereal
                      , either
-                     , optparse-applicative            == 0.13.*
+                     , optparse-applicative            >= 0.13       && < 0.15
                      , text                            == 1.2.*
                      , mtl                             >= 2.2.1      && < 2.3
                      , hmatrix                         >= 0.18       && < 0.19