diff --git a/CHANGELOG.md b/CHANGELOG.md
index aec34c3f..251ed51e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -40,6 +40,8 @@ will consitute of a breaking change warranting a new major release:
 - TMP1075: Devices did not go to OFF mode when being set faulty.
 - Update PL PCDU 1 in TCS mode tree on the EM.
 - TMP1075: Possibly ignored health commands.
+- Bugfix in FSFW where certain packet types could only be sent with source data fields with a
+  maximum size of 255 bytes.
 
 # Added
 
diff --git a/fsfw b/fsfw
index 8da89eba..88e86652 160000
--- a/fsfw
+++ b/fsfw
@@ -1 +1 @@
-Subproject commit 8da89eba80f73cb05e5c38fc012456f1d9569af5
+Subproject commit 88e8665280a0381c41b724ab035a8c3eff1a23c1