diff --git a/configure.ac b/configure.ac
index eae052bda..ab6203438 100644
--- a/configure.ac
+++ b/configure.ac
@@ -47,7 +47,7 @@ m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 ### Speller release version (usually different from the package version,
 ### typically spellers are released more often than the language package):
-AC_SUBST([SPELLERVERSION], [0.2.0])
+AC_SUBST([SPELLERVERSION], [1.0.0])
 
 ### Grammar checker release version (usually different from the package version,
 ### typically grammar checkers are released more often than the language
diff --git a/manifest.toml b/manifest.toml
index f8a5a3e65..1bcd0d179 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -1,5 +1,5 @@
 name = "Kalaallisut"
-version = "0.2.0"
+version = "1.0.0"
 
 [macos]
 system_pkg_id = "no.divvun.MacDivvun.kl"
@@ -7,7 +7,7 @@ system_pkg_id = "no.divvun.MacDivvun.kl"
 [windows]
 system_product_code = "{F04E75FD-6A6E-43C3-9C8C-7D5E3F12424C}_is1"
 legacy_product_codes = [
-    { value = "6F7447D6-DE8A-42AE-AD02-7B7BD40336B9", kind = "nsis" },
-    { value = "32E70E86-BED1-45E8-9D64-28991153C3FA", kind = "nsis" },
+    { value = "A3AC5A53-231B-44A2-A28B-E59CCA979640", kind = "msi" },
+    { value = "A3AC5A53-231B-44A2-A28B-E59CCA979FB0", kind = "msi" },
 ]
 extra_locales = { kl-GL = "kl" }