diff --git a/config/rootfiles/common/rust-ouroboros b/config/rootfiles/common/rust-ouroboros
index 6c93e73cf..c23dbd3d6 100644
--- a/config/rootfiles/common/rust-ouroboros
+++ b/config/rootfiles/common/rust-ouroboros
@@ -1,6 +1,9 @@
-#usr/share/cargo/registry/ouroboros-0.13.0
-#usr/share/cargo/registry/ouroboros-0.13.0/.cargo-checksum.json
-#usr/share/cargo/registry/ouroboros-0.13.0/Cargo.toml
-#usr/share/cargo/registry/ouroboros-0.13.0/Cargo.toml.deps
-#usr/share/cargo/registry/ouroboros-0.13.0/src
-#usr/share/cargo/registry/ouroboros-0.13.0/src/lib.rs
+#usr/share/cargo/registry/ouroboros-0.15.5
+#usr/share/cargo/registry/ouroboros-0.15.5/.cargo-checksum.json
+#usr/share/cargo/registry/ouroboros-0.15.5/Cargo.toml
+#usr/share/cargo/registry/ouroboros-0.15.5/Cargo.toml.deps
+#usr/share/cargo/registry/ouroboros-0.15.5/LICENSE_APACHE
+#usr/share/cargo/registry/ouroboros-0.15.5/LICENSE_MIT
+#usr/share/cargo/registry/ouroboros-0.15.5/README.md
+#usr/share/cargo/registry/ouroboros-0.15.5/src
+#usr/share/cargo/registry/ouroboros-0.15.5/src/lib.rs
diff --git a/lfs/rust-ouroboros b/lfs/rust-ouroboros
index 0b4739466..2c63b4c10 100644
--- a/lfs/rust-ouroboros
+++ b/lfs/rust-ouroboros
@@ -24,7 +24,7 @@
 
 include Config
 
-VER        = 0.13.0
+VER        = 0.15.5
 
 THISAPP    = ouroboros-$(VER)
 DL_FILE    = $(THISAPP).tar.gz
@@ -40,7 +40,7 @@ objects = $(DL_FILE)
 
 $(DL_FILE) = $(DL_FROM)/$(DL_FILE)
 
-$(DL_FILE)_BLAKE2 = ff54f4ed318f7a1875612a4ed5762c60de516f43825f0ecf23e5343958e5c8af68ae4aecc1daf913e58d21183ac037af047be015ef1e5c227ab4750e763ed4ab
+$(DL_FILE)_BLAKE2 = 0a692641892669294642faca8b8aeef91a156627712f375ef31648c505fcf82b9a17da916761f186db12440547eeb5bc568c75236d042856d0d99c0f3c2142a8
 
 install : $(TARGET)