diff --git a/extra_packages/extra-materials b/extra_packages/extra-materials
index 2c51f32c8..fca45eda0 160000
--- a/extra_packages/extra-materials
+++ b/extra_packages/extra-materials
@@ -1 +1 @@
-Subproject commit 2c51f32c83dcba4d9ee1971e606f356cb014dfeb
+Subproject commit fca45eda0bf7da393e760e8bef3efb340268e134
diff --git a/extra_packages/igfem b/extra_packages/igfem
index ca87a33f3..ddb4e671a 160000
--- a/extra_packages/igfem
+++ b/extra_packages/igfem
@@ -1 +1 @@
-Subproject commit ca87a33f358664c30e6bb8ecfba178fcf6a30fd4
+Subproject commit ddb4e671a8d8ad32d7147858b1fd15f135912c0c
diff --git a/extra_packages/students-extra-package b/extra_packages/students-extra-package
index 568ae9dd4..42c0b4ae6 160000
--- a/extra_packages/students-extra-package
+++ b/extra_packages/students-extra-package
@@ -1 +1 @@
-Subproject commit 568ae9dd441da55e81ee2049fb9d24f4c6f5edc4
+Subproject commit 42c0b4ae6d246b102b3c234b840eafa03b5e34b1