diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index b83aed6..5fc518b 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,5 +1,5 @@
 ### 0.2.2
-* updated dependencies (base, rendering, Minicv)
+* updated dependencies (base, rendering, Minicv).
 
 ### 0.2.1
 * updated dependencies (rendering)
diff --git a/src/Epipolar.Demo/ArbDemo.fs b/src/Epipolar.Demo/ArbDemo.fs
index 651fe2d..2242fa4 100644
--- a/src/Epipolar.Demo/ArbDemo.fs
+++ b/src/Epipolar.Demo/ArbDemo.fs
@@ -90,7 +90,7 @@ module ArbDemo =
                 | 5 -> "P6P"
                 | _ -> "?"
             )
-            Sg.text FontSquirrel.HamburgerHeaven.Regular C4b.White t
+            Sg.text DefaultFonts.Hack.Regular C4b.White t
             |> Sg.scale 0.1
             |> Sg.translate -0.9 -0.9 0.0
             |> Sg.viewTrafo (AVal.constant Trafo3d.Identity)
@@ -274,7 +274,7 @@ module ArbDemo =
                     | 3 -> n
                     | _ -> "?"
                 ) current name
-            Sg.text FontSquirrel.HamburgerHeaven.Regular C4b.White t
+            Sg.text DefaultFonts.Hack.Regular C4b.White t
             |> Sg.scale 0.1
             |> Sg.translate -0.9 -0.9 0.0
             |> Sg.viewTrafo ~~Trafo3d.Identity
diff --git a/src/Epipolar.Demo/FundamentalChecker.fs b/src/Epipolar.Demo/FundamentalChecker.fs
index 96bbe28..a1dfa1a 100644
--- a/src/Epipolar.Demo/FundamentalChecker.fs
+++ b/src/Epipolar.Demo/FundamentalChecker.fs
@@ -278,7 +278,7 @@ module Testy =
                 do! DefaultSurfaces.diffuseTexture
                 do! DefaultSurfaces.simpleLighting
             }
-        let font = FontSquirrel.Indubitably.Regular
+        let font = DefaultFonts.Hack.Regular
         let leftTextSg =
             //Sg.empty
             Sg.text font C4b.White leftText
diff --git a/src/Epipolar.Demo/PerfectDemos.fs b/src/Epipolar.Demo/PerfectDemos.fs
index be7b1dc..aee0735 100644
--- a/src/Epipolar.Demo/PerfectDemos.fs
+++ b/src/Epipolar.Demo/PerfectDemos.fs
@@ -133,14 +133,14 @@ module Testy2 =
                         | 5 -> "P6P"
                         | _ -> "?"
                     )
-                    Sg.text FontSquirrel.HamburgerHeaven.Regular C4b.White t
+                    Sg.text DefaultFonts.Hack.Regular C4b.White t
                     |> Sg.scale 0.1
                     |> Sg.translate -0.9 -0.9 0.0
                     |> Sg.viewTrafo ~~Trafo3d.Identity
                     |> Sg.projTrafo ~~Trafo3d.Identity
 
                 let printText =
-                    Sg.text FontSquirrel.HamburgerHeaven.Regular C4b.White ~~ostr
+                    Sg.text DefaultFonts.Hack.Regular C4b.White ~~ostr
                     |> Sg.scale 0.05
                     |> Sg.translate -0.9 0.9 0.0
                     |> Sg.viewTrafo ~~Trafo3d.Identity
@@ -471,7 +471,7 @@ module Testy2 =
                 | 5 -> "P6P"
                 | _ -> "?"
             )
-            Sg.text FontSquirrel.HamburgerHeaven.Regular C4b.White t
+            Sg.text DefaultFonts.Hack.Regular C4b.White t
             |> Sg.scale 0.1
             |> Sg.translate -0.9 -0.9 0.0
             |> Sg.viewTrafo ~~Trafo3d.Identity
diff --git a/src/ModelEstimation.Demo/ArbDemo.fs b/src/ModelEstimation.Demo/ArbDemo.fs
index 1f65771..41bb763 100644
--- a/src/ModelEstimation.Demo/ArbDemo.fs
+++ b/src/ModelEstimation.Demo/ArbDemo.fs
@@ -91,7 +91,7 @@ module ArbDemo =
                 | 5 -> "P6P"
                 | _ -> "?"
             )
-            Sg.text FontSquirrel.Hack.Regular C4b.White t
+            Sg.text DefaultFonts.Hack.Regular C4b.White t
             |> Sg.scale 0.1
             |> Sg.translate -0.9 -0.9 0.0
             |> Sg.viewTrafo ~~Trafo3d.Identity
@@ -273,7 +273,7 @@ module ArbDemo =
                     | 3 -> n
                     | _ -> "?"
                 ) current name
-            Sg.text FontSquirrel.Hack.Regular C4b.White t
+            Sg.text DefaultFonts.Hack.Regular C4b.White t
             |> Sg.scale 0.1
             |> Sg.translate -0.9 -0.9 0.0
             |> Sg.viewTrafo ~~Trafo3d.Identity