diff --git a/sbcl/README.md b/sbcl/README.md
index 6df9648..f0aa4d9 100644
--- a/sbcl/README.md
+++ b/sbcl/README.md
@@ -8,15 +8,18 @@
 ```
 $ docker pull fukamachi/sbcl
 $ docker run -it --rm fukamachi/sbcl
-$ docker pull fukamachi/sbcl:2.6.2
-$ docker run -it --rm fukamachi/sbcl:2.6.2
+$ docker pull fukamachi/sbcl:2.6.3
+$ docker run -it --rm fukamachi/sbcl:2.6.3
 ```
 
 ## Supported tags
 
-- `2.6.3`, `2.6.3-debian`, `latest`, `latest-debian`
-- `2.6.3-ubuntu`, `latest-ubuntu`
-- `2.6.3-alpine`, `latest-alpine`
+- `2.6.4`, `2.6.4-debian`, `latest`, `latest-debian`
+- `2.6.4-ubuntu`, `latest-ubuntu`
+- `2.6.4-alpine`, `latest-alpine`
+- `2.6.3`, `2.6.3-debian`
+- `2.6.3-alpine`
+- `2.6.3-ubuntu`
 - `2.6.2`, `2.6.2-debian`
 - `2.6.2-alpine`
 - `2.6.2-ubuntu`
@@ -333,5 +336,5 @@ $ docker run -it --rm fukamachi/sbcl:2.6.2
 ## Building by your own
 
 ```
-$ docker build -t sbcl:2.6.2 --build-arg VERSION=2.6.2 sbcl/debian/
+$ docker build -t sbcl:2.6.3 --build-arg VERSION=2.6.3 sbcl/debian/
 ```
diff --git a/sbcl/versions b/sbcl/versions
index 6f403ab..d98cd13 100644
--- a/sbcl/versions
+++ b/sbcl/versions
@@ -103,3 +103,4 @@
 2.6.1,24.10.115
 2.6.2,26.02.116
 2.6.3,26.02.116
+2.6.4,26.02.116