diff --git a/bign-genk/LICENSE-MIT b/bign-genk/LICENSE-MIT
index d767644..b887850 100644
--- a/bign-genk/LICENSE-MIT
+++ b/bign-genk/LICENSE-MIT
@@ -1,4 +1,4 @@
-Copyright (c) 2018-2025 RustCrypto Developers
+Copyright (c) 2018-2026 RustCrypto Developers
 
 Permission is hereby granted, free of charge, to any
 person obtaining a copy of this software and associated
diff --git a/dsa/LICENSE-MIT b/dsa/LICENSE-MIT
index d8d87fe..b887850 100644
--- a/dsa/LICENSE-MIT
+++ b/dsa/LICENSE-MIT
@@ -1,4 +1,4 @@
-Copyright (c) 2018-2023 RustCrypto Developers
+Copyright (c) 2018-2026 RustCrypto Developers
 
 Permission is hereby granted, free of charge, to any
 person obtaining a copy of this software and associated
diff --git a/ecdsa/LICENSE-MIT b/ecdsa/LICENSE-MIT
index 81a3d57..b887850 100644
--- a/ecdsa/LICENSE-MIT
+++ b/ecdsa/LICENSE-MIT
@@ -1,4 +1,4 @@
-Copyright (c) 2018-2022 RustCrypto Developers
+Copyright (c) 2018-2026 RustCrypto Developers
 
 Permission is hereby granted, free of charge, to any
 person obtaining a copy of this software and associated
diff --git a/ed25519/LICENSE-MIT b/ed25519/LICENSE-MIT
index d8d87fe..b887850 100644
--- a/ed25519/LICENSE-MIT
+++ b/ed25519/LICENSE-MIT
@@ -1,4 +1,4 @@
-Copyright (c) 2018-2023 RustCrypto Developers
+Copyright (c) 2018-2026 RustCrypto Developers
 
 Permission is hereby granted, free of charge, to any
 person obtaining a copy of this software and associated
diff --git a/ed448/LICENSE-MIT b/ed448/LICENSE-MIT
index d8d87fe..b887850 100644
--- a/ed448/LICENSE-MIT
+++ b/ed448/LICENSE-MIT
@@ -1,4 +1,4 @@
-Copyright (c) 2018-2023 RustCrypto Developers
+Copyright (c) 2018-2026 RustCrypto Developers
 
 Permission is hereby granted, free of charge, to any
 person obtaining a copy of this software and associated
diff --git a/lms/LICENSE-MIT b/lms/LICENSE-MIT
index 06d5520..6a862b7 100644
--- a/lms/LICENSE-MIT
+++ b/lms/LICENSE-MIT
@@ -1,4 +1,4 @@
-Copyright (c) 2024 Trail of Bits
+Copyright (c) 2024-2026 Trail of Bits, RustCrypto Developers
 
 Permission is hereby granted, free of charge, to any
 person obtaining a copy of this software and associated
@@ -22,4 +22,4 @@ SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
 IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-DEALINGS IN THE SOFTWARE.
\ No newline at end of file
+DEALINGS IN THE SOFTWARE.
diff --git a/ml-dsa/LICENSE-MIT b/ml-dsa/LICENSE-MIT
index 7b4870d..5d5f11a 100644
--- a/ml-dsa/LICENSE-MIT
+++ b/ml-dsa/LICENSE-MIT
@@ -1,4 +1,4 @@
-Copyright (c) 2024-2025 RustCrypto Developers
+Copyright (c) 2024-2026 RustCrypto Developers
 
 Permission is hereby granted, free of charge, to any
 person obtaining a copy of this software and associated
diff --git a/rfc6979/LICENSE-MIT b/rfc6979/LICENSE-MIT
index 81a3d57..b887850 100644
--- a/rfc6979/LICENSE-MIT
+++ b/rfc6979/LICENSE-MIT
@@ -1,4 +1,4 @@
-Copyright (c) 2018-2022 RustCrypto Developers
+Copyright (c) 2018-2026 RustCrypto Developers
 
 Permission is hereby granted, free of charge, to any
 person obtaining a copy of this software and associated
diff --git a/slh-dsa/LICENSE-MIT b/slh-dsa/LICENSE-MIT
index 06d5520..6a862b7 100644
--- a/slh-dsa/LICENSE-MIT
+++ b/slh-dsa/LICENSE-MIT
@@ -1,4 +1,4 @@
-Copyright (c) 2024 Trail of Bits
+Copyright (c) 2024-2026 Trail of Bits, RustCrypto Developers
 
 Permission is hereby granted, free of charge, to any
 person obtaining a copy of this software and associated
@@ -22,4 +22,4 @@ SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
 IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-DEALINGS IN THE SOFTWARE.
\ No newline at end of file
+DEALINGS IN THE SOFTWARE.
diff --git a/xmss/LICENSE-MIT b/xmss/LICENSE-MIT
index 31aa793..86b6555 100644
--- a/xmss/LICENSE-MIT
+++ b/xmss/LICENSE-MIT
@@ -1,3 +1,5 @@
+Copyright (c) 2025-2026 RustCrypto Developers
+
 Permission is hereby granted, free of charge, to any
 person obtaining a copy of this software and associated
 documentation files (the "Software"), to deal in the