diff --git a/.gitmodules b/.gitmodules
index db570f1fafb6..62474b67aaf8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,7 +7,7 @@
 [submodule "content-modules/opentelemetry-specification"]
 	path = content-modules/opentelemetry-specification
 	url = https://github.com/open-telemetry/opentelemetry-specification.git
-	spec-pin = v1.39.0
+	spec-pin = v1.40.0
 [submodule "content-modules/community"]
 	path = content-modules/community
 	url = https://github.com/open-telemetry/community
diff --git a/content-modules/opentelemetry-specification b/content-modules/opentelemetry-specification
index 8954d3b52509..0d046c07e2b2 160000
--- a/content-modules/opentelemetry-specification
+++ b/content-modules/opentelemetry-specification
@@ -1 +1 @@
-Subproject commit 8954d3b525098dc4dadc364e7b82da9235c7f37e
+Subproject commit 0d046c07e2b24bc2405a3e1d367f93ab102d889d
diff --git a/scripts/content-modules/adjust-pages.pl b/scripts/content-modules/adjust-pages.pl
index fa649db7ba56..db93a479b42a 100755
--- a/scripts/content-modules/adjust-pages.pl
+++ b/scripts/content-modules/adjust-pages.pl
@@ -18,14 +18,14 @@
 my $semConvRef = "$otelSpecRepoUrl/blob/main/semantic_conventions/README.md";
 my $specBasePath = '/docs/specs';
 my %versions = qw(
-  spec: 1.39.0
+  spec: 1.40.0
   otlp: 1.4.0
   semconv: 1.29.0
 );
 my $otelSpecVers = $versions{'spec:'};
 my $otlpSpecVers = $versions{'otlp:'};
 my $semconvVers = $versions{'semconv:'};
-my $patchMsg2 = 0; # TODO remove along with patch-message 002
+my %patchMsgCount;
 
 sub printTitleAndFrontMatter() {
   print "---\n";
@@ -43,13 +43,14 @@ ()
     $frontMatterFromFile =~ s/linkTitle: .*/$& $semconvVers/;
     # $frontMatterFromFile =~ s/body_class: .*/$& td-page--draft/;
     # $frontMatterFromFile =~ s/cascade:\n/$&  draft: true\n/;
-  } elsif ($ARGV =~ /otel\/specification\/logs\/api.md$/) {
-    if ($otelSpecVers ne "1.39.0") {
-      # TODO: delete the enclosing elsif body
-      print STDOUT "INFO [001]: $0: remove obsolete code now that OTel spec has been updated.\n"
-    }
-    $frontMatterFromFile .= "linkTitle: API\naliases: [bridge-api]\n";
   }
+  # Sample front-matter patch:
+  #
+  # } elsif ($ARGV =~ /otel\/specification\/logs\/api.md$/) {
+  #   $frontMatterFromFile .= "linkTitle: API\naliases: [bridge-api]\n";
+  #   printPatchInfoIf("2024-12-01-bridge-api", $otelSpecVers ne "1.39.0");
+  # }
+
   my $titleMaybeQuoted = ($title =~ ':') ? "\"$title\"" : $title;
   print "title: $titleMaybeQuoted\n" if $frontMatterFromFile !~ /title: /;
   if ($title =~ /^OpenTelemetry (Protocol )?(.*)/) {
@@ -64,6 +65,12 @@ ()
   print "---\n";
 }
 
+sub printPatchInfoIf($$) {
+  my ($patchID, $specVersTest) = @_;
+  print STDOUT "INFO [$patchID]: $0: remove obsolete patch code now that OTel spec has been updated.\n"
+    if $specVersTest && !$patchMsgCount{$patchID}++;
+}
+
 # main
 
 while(<>) {
@@ -117,12 +124,11 @@ ()
   # SPECIFICATION custom processing
 
   # TODO: drop the entire if statement patch code when OTel spec vers contains
-  # https://github.com/open-telemetry/opentelemetry-specification/pull/4287,
-  # which should be vers > 1.39.0.
-  if ($ARGV =~ /otel\/spec/) {
-    s|(/api\.md)#logs-api\b|$1|g;
-    print STDOUT "INFO [002]: $0: remove obsolete patch code now that OTel spec has been updated.\n"
-      if $otelSpecVers ne "1.39.0" && !$patchMsg2++
+  # https://github.com/open-telemetry/opentelemetry-specification/issues/4338,
+  # which should be vers > 1.40.0.
+  if ($ARGV =~ /otel\/specification\/logs/) {
+    s|(/data-model.md/?)#event-name\b|$1#field-eventname|g;
+    printPatchInfoIf("2024-12-13-event-name", $otelSpecVers ne "1.40.0");
   }
 
   s|\(https://github.com/open-telemetry/opentelemetry-specification\)|($specBasePath/otel/)|;
diff --git a/static/refcache.json b/static/refcache.json
index c5dbf18bfcaf..3c42bd47e024 100644
--- a/static/refcache.json
+++ b/static/refcache.json
@@ -13803,6 +13803,10 @@
     "StatusCode": 206,
     "LastSeen": "2024-01-18T19:55:40.781807-05:00"
   },
+  "https://www.jaegertracing.io/sdk-migration/#propagation-format": {
+    "StatusCode": 206,
+    "LastSeen": "2024-12-13T05:25:28.899615-05:00"
+  },
   "https://www.java.com/en/": {
     "StatusCode": 200,
     "LastSeen": "2024-01-18T19:55:46.525923-05:00"