diff --git a/SPECS-EXTENDED/blosc/blosc.signatures.json b/SPECS-EXTENDED/blosc/blosc.signatures.json
index dff853d6f1e..d8cc1a31fe7 100644
--- a/SPECS-EXTENDED/blosc/blosc.signatures.json
+++ b/SPECS-EXTENDED/blosc/blosc.signatures.json
@@ -1,5 +1,5 @@
 {
  "Signatures": {
-  "blosc-1.21.4.tar.gz": "e72bd03827b8564bbb3dc3ea0d0e689b4863871ce3861d946f2efd7a186ecf3e"
+  "blosc-1.21.6.tar.gz": "9fcd60301aae28f97f1301b735f966cc19e7c49b6b4321b839b4579a0c156f38"
  }
-}
+}
\ No newline at end of file
diff --git a/SPECS-EXTENDED/blosc/blosc.spec b/SPECS-EXTENDED/blosc/blosc.spec
index 84342a77d3b..fd2230b2482 100644
--- a/SPECS-EXTENDED/blosc/blosc.spec
+++ b/SPECS-EXTENDED/blosc/blosc.spec
@@ -1,8 +1,8 @@
 Summary:        High performance compressor optimized for binary data
 Name:           blosc
-Version:        1.21.4
-Release:        2%{?dist}
-License:        MIT
+Version:        1.21.6
+Release:        1%{?dist}
+License:        BSD
 Vendor:         Microsoft Corporation
 Distribution:   Azure Linux
 URL:            https://github.com/Blosc/c-blosc
@@ -79,6 +79,10 @@ export LD_LIBRARY_PATH=%{buildroot}%{_libdir}
 %{_includedir}/blosc-export.h
 
 %changelog
+* Wed Nov 20 2024 Kevin Lockwood <v-klockwood@microsoft.com> - 1.21.6-1
+- Update to 1.21.6
+- License verified.
+
 * Thu Aug 10 2023 Archana Choudhary <archana1@microsoft.com> - 1.21.4-2
 - Initial CBL-Mariner import from Fedora 37 (license: MIT).
 - License verified.
diff --git a/cgmanifest.json b/cgmanifest.json
index 48217c97ab4..d8348c61677 100644
--- a/cgmanifest.json
+++ b/cgmanifest.json
@@ -1147,8 +1147,8 @@
         "type": "other",
         "other": {
           "name": "blosc",
-          "version": "1.21.4",
-          "downloadUrl": "https://github.com/Blosc/c-blosc/archive/v1.21.4/blosc-1.21.4.tar.gz"
+          "version": "1.21.6",
+          "downloadUrl": "https://github.com/Blosc/c-blosc/archive/v1.21.6/blosc-1.21.6.tar.gz"
         }
       }
     },