diff --git a/learn-physics-examples.cabal b/learn-physics-examples.cabal
--- a/learn-physics-examples.cabal
+++ b/learn-physics-examples.cabal
@@ -1,5 +1,5 @@
 Name:                learn-physics-examples
-Version:             0.3
+Version:             0.3.1
 Stability:           Experimental
 Synopsis:            examples for learn-physics
 Description:         Executables that use the learn-physics library.
@@ -17,50 +17,50 @@
   Build-depends:     not-gloss >= 0.5.0 && < 0.6,
                      spatial-math >= 0.1.4 && < 0.2,
                      base >= 4.5 && < 4.8,
-                     learn-physics >= 0.4.2
+                     learn-physics >= 0.4.3
 
 Executable           learn-physics-eFieldLine3D
   Main-is:           src/eFieldLine3D.hs
   Build-depends:     not-gloss >= 0.5.0 && < 0.6,
                      spatial-math >= 0.1.4 && < 0.2,
                      base >= 4.5 && < 4.8,
-                     learn-physics >= 0.4.2
+                     learn-physics >= 0.4.3
 
 Executable           learn-physics-LorentzForceSimulation
   Main-is:           src/LorentzForceSimulation.hs
   Build-depends:     not-gloss >= 0.5.0 && < 0.6,
                      spatial-math >= 0.1.4 && < 0.2,
                      base >= 4.5 && < 4.8,
-                     learn-physics >= 0.4.2
+                     learn-physics >= 0.4.3
 
 Executable           learn-physics-BCircularLoop
   Main-is:           src/BCircularLoop.hs
   Build-depends:     not-gloss >= 0.5.0 && < 0.6,
                      spatial-math >= 0.1.4 && < 0.2,
                      base >= 4.5 && < 4.8,
-                     learn-physics >= 0.4.2
+                     learn-physics >= 0.4.3
 
 Executable           learn-physics-sunEarth
   Main-is:           src/sunEarthRK4.hs
   Build-depends:     gloss >= 1.8 && < 1.9,
                      base >= 4.5 && < 4.8,
-                     learn-physics >= 0.4.2
+                     learn-physics >= 0.4.3
 
 Executable           learn-physics-eFieldLine2D
   Main-is:           src/eFieldLine2D.hs
   Build-depends:     gloss >= 1.8 && < 1.9,
                      base >= 4.5 && < 4.8,
-                     learn-physics >= 0.4.2
+                     learn-physics >= 0.4.3
 
 Executable           learn-physics-ElectricFluxPlot
   Main-is:           src/ElectricFluxPlot.hs
   Build-depends:     gnuplot >= 0.5 && < 0.6,
                      base >= 4.5 && < 4.8,
-                     learn-physics >= 0.4.2
+                     learn-physics >= 0.4.3
 
 Executable           learn-physics-DampedOscillator
   Main-is:           src/DampedOscillator.hs
   Build-depends:     gnuplot >= 0.5 && < 0.6,
                      base >= 4.5 && < 4.8,
-                     learn-physics >= 0.4.2
+                     learn-physics >= 0.4.3