diff --git a/content-modules/opentelemetry-specification b/content-modules/opentelemetry-specification
index d855249b210e..b064af8f1545 160000
--- a/content-modules/opentelemetry-specification
+++ b/content-modules/opentelemetry-specification
@@ -1 +1 @@
-Subproject commit d855249b210ecd832889fc4ce91a4444f82e252a
+Subproject commit b064af8f1545ca61ca99d6a07c37f9fb33186e51
diff --git a/scripts/content-modules/adjust-pages.pl b/scripts/content-modules/adjust-pages.pl
index a8b6cb5348f1..49f5df7652b4 100755
--- a/scripts/content-modules/adjust-pages.pl
+++ b/scripts/content-modules/adjust-pages.pl
@@ -19,7 +19,7 @@
 my $specBasePath = '/docs/specs';
 my $path_base_for_github_subdir = "content/en$specBasePath";
 my %versions = qw(
-  spec: 1.27.0
+  spec: 1.28.0
   otlp: 1.0.0
   semconv: 1.23.1
 );