diff --git a/contrib/src/nettle/SHA512SUMS b/contrib/src/nettle/SHA512SUMS
index f457bad162396bdc95589419e1d4e04f172eb7a3..d1f7f42489ffb840e9686b61cd020b4b725bb89a 100644
--- a/contrib/src/nettle/SHA512SUMS
+++ b/contrib/src/nettle/SHA512SUMS
@@ -1 +1 @@
-26aefbbe9927e90e28f271e56d2ba876611831222d0e1e1a58bdb75bbd50934fcd84418a4fe47b845f557e60a9786a72a4de2676c930447b104f2256aca7a54f  nettle-3.4.1.tar.gz
+f738121b9091cbe79435fb5d46b45cf6f10912320c233829356908127bab1cac6946ca56e022a832380c44f2c10f21d2feef64cb0f4f41e3da4a681dc0131784  nettle-3.5.1.tar.gz
\ No newline at end of file
diff --git a/contrib/src/nettle/rules.mak b/contrib/src/nettle/rules.mak
index 01e1ededcf5d9c3d4f0650f1d7d0702166bd9fa9..348e0148288fc6c3dc4c3d0f26f664b3176ac84f 100644
--- a/contrib/src/nettle/rules.mak
+++ b/contrib/src/nettle/rules.mak
@@ -1,6 +1,6 @@
 # Nettle
 
-NETTLE_VERSION := 3.4.1
+NETTLE_VERSION := 3.5.1
 NETTLE_URL := $(GNU)/nettle/nettle-$(NETTLE_VERSION).tar.gz
 
 PKGS += nettle