diff --git a/extra/zstd/checksums b/extra/zstd/checksums
index b28976c8..8b572e0f 100644
--- a/extra/zstd/checksums
+++ b/extra/zstd/checksums
@@ -1 +1 @@
-1d5a2f321553b474179a3c88c00038b1b529087cf5f39fb47445b6b8558ed68457
+9869b2c38c95fab6628ac7e63bd4410509b6b4b899866a623402c9a960805b7038
diff --git a/extra/zstd/sources b/extra/zstd/sources
index 3a9d7578..3e769f6a 100644
--- a/extra/zstd/sources
+++ b/extra/zstd/sources
@@ -1 +1 @@
-https://github.com/facebook/zstd/releases/download/v1.5.5/zstd-1.5.5.tar.gz
+https://github.com/facebook/zstd/releases/download/v1.5.6/zstd-1.5.6.tar.gz
diff --git a/extra/zstd/version b/extra/zstd/version
index 013c2474..43cc0c08 100644
--- a/extra/zstd/version
+++ b/extra/zstd/version
@@ -1 +1 @@
-1.5.5 1
+1.5.6 1