diff --git a/package/sigsum-go/sigsum-go.hash b/package/sigsum-go/sigsum-go.hash
index 4e3cbeb2d2..70b0dfe67e 100644
--- a/package/sigsum-go/sigsum-go.hash
+++ b/package/sigsum-go/sigsum-go.hash
@@ -1,3 +1,3 @@
 # Locally calculated
-sha256  01ff9b579012bd36715de96f5474c8bfe7778daf4cb04d3049004797fa6cb5e3  sigsum-go-v0.14.1-git4-go2.tar.gz
+sha256  048ec174f8fdaae3237472198ad0e4c9c81fac1d9b83a86290ab3a6c48ed8d31  sigsum-go-v1.0.0-git4-go2.tar.gz
 sha256  6a1e3378dcd18baade08ac30ec4ba33b72d1b1697c00226ef85b9c9cefdb4e65  LICENSE
diff --git a/package/sigsum-go/sigsum-go.mk b/package/sigsum-go/sigsum-go.mk
index cd99e786b7..9f0176644d 100644
--- a/package/sigsum-go/sigsum-go.mk
+++ b/package/sigsum-go/sigsum-go.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-SIGSUM_GO_VERSION = v0.14.1
+SIGSUM_GO_VERSION = v1.0.0
 SIGSUM_GO_SITE = https://git.glasklar.is/sigsum/core/sigsum-go
 SIGSUM_GO_SITE_METHOD = git
 SIGSUM_GO_LICENSE = BSD-2-Clause