diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,12 @@
 
 ## Unreleased
 
+## 0.3.0.0
+
+### Changed
+
+- The project now depends on (and supports) OpenCascade `7.8.0` or later
+
 ## 0.2.2.1
 
 ## 0.2.2.0
diff --git a/waterfall-cad-examples.cabal b/waterfall-cad-examples.cabal
--- a/waterfall-cad-examples.cabal
+++ b/waterfall-cad-examples.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           waterfall-cad-examples
-version:        0.2.2.1
+version:        0.3.0.0
 synopsis:       Examples for Waterfall CAD, a Declarative CAD/Solid Modeling Library
 description:    Please see the README on GitHub at <https://github.com/joe-warren/opencascade-hs#readme>
 category:       Graphics
@@ -47,11 +47,11 @@
       base >=4.7 && <5
     , lens ==5.*
     , linear >=1.21 && <2
-    , opencascade-hs >=0.2.2.1 && <0.3
+    , opencascade-hs >=0.3.0.0 && <0.4
     , optparse-applicative >=0.17 && <0.19
     , parsec ==3.1.*
     , parser-combinators >=1.2 && <1.4
-    , waterfall-cad >=0.2.2.1 && <0.3
+    , waterfall-cad >=0.3.0.0 && <0.4
   default-language: Haskell2010
 
 executable waterfall-cad-examples
@@ -65,10 +65,10 @@
       base >=4.7 && <5
     , lens ==5.*
     , linear >=1.21 && <2
-    , opencascade-hs >=0.2.2.1 && <0.3
+    , opencascade-hs >=0.3.0.0 && <0.4
     , optparse-applicative >=0.17 && <0.19
     , parsec ==3.1.*
     , parser-combinators >=1.2 && <1.4
-    , waterfall-cad >=0.2.2.1 && <0.3
+    , waterfall-cad >=0.3.0.0 && <0.4
     , waterfall-cad-examples
   default-language: Haskell2010
