diff --git a/UPSTREAM_PROJECTS.yaml b/UPSTREAM_PROJECTS.yaml
index eeae417853..c8f88a4db6 100644
--- a/UPSTREAM_PROJECTS.yaml
+++ b/UPSTREAM_PROJECTS.yaml
@@ -19,8 +19,8 @@ projects:
     repos:
       - name: cloudstack-cloudmonkey
         versions:
-          - tag: 6.3.0
-            go_version: "1.20"
+          - tag: 6.4.0
+            go_version: "1.21"
   - org: aquasecurity
     repos:
       - name: harbor-scanner-trivy
diff --git a/projects/apache/cloudstack-cloudmonkey/ATTRIBUTION.txt b/projects/apache/cloudstack-cloudmonkey/ATTRIBUTION.txt
index 4171059eb8..5f580c2a4b 100644
--- a/projects/apache/cloudstack-cloudmonkey/ATTRIBUTION.txt
+++ b/projects/apache/cloudstack-cloudmonkey/ATTRIBUTION.txt
@@ -1,5 +1,5 @@
 
-** github.com/apache/cloudstack-cloudmonkey; version 6.3.0 --
+** github.com/apache/cloudstack-cloudmonkey; version 6.4.0 --
 https://github.com/apache/cloudstack-cloudmonkey
 
 ** github.com/briandowns/spinner; version v1.22.0 --
@@ -249,7 +249,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 ------
 
-** golang.org/go; version go1.20.14 --
+** golang.org/go; version go1.21.8 --
 https://github.com/golang/go
 
 ** golang.org/x/sys/unix; version v0.5.0 --
diff --git a/projects/apache/cloudstack-cloudmonkey/CHECKSUMS b/projects/apache/cloudstack-cloudmonkey/CHECKSUMS
index c68c71defb..e77a4dfe90 100644
--- a/projects/apache/cloudstack-cloudmonkey/CHECKSUMS
+++ b/projects/apache/cloudstack-cloudmonkey/CHECKSUMS
@@ -1,2 +1,2 @@
-3d64fa4f1e7de5556efc1689b5327478f926815c7cc61d59008159e8253441a4  _output/bin/cloudstack-cloudmonkey/linux-amd64/cmk
-924b1e80ed892501726f2b621f6a952a07dfde90d48f3c48ba48b06f3395b0e8  _output/bin/cloudstack-cloudmonkey/linux-arm64/cmk
+d43fef2ea793f9d1069e01e4315b8676576c7a54b222275d37aabd9fc70fcae1  _output/bin/cloudstack-cloudmonkey/linux-amd64/cmk
+2b2af6545ed2f7df1bc49b8c7ac23ca3f01f8c6f4343b86b7672c6874ae5608f  _output/bin/cloudstack-cloudmonkey/linux-arm64/cmk
diff --git a/projects/apache/cloudstack-cloudmonkey/GIT_TAG b/projects/apache/cloudstack-cloudmonkey/GIT_TAG
index e7e42a4b58..19b860c187 100644
--- a/projects/apache/cloudstack-cloudmonkey/GIT_TAG
+++ b/projects/apache/cloudstack-cloudmonkey/GIT_TAG
@@ -1 +1 @@
-6.3.0
\ No newline at end of file
+6.4.0
diff --git a/projects/apache/cloudstack-cloudmonkey/GOLANG_VERSION b/projects/apache/cloudstack-cloudmonkey/GOLANG_VERSION
index 5fb5a6b4f5..d2ab029d32 100644
--- a/projects/apache/cloudstack-cloudmonkey/GOLANG_VERSION
+++ b/projects/apache/cloudstack-cloudmonkey/GOLANG_VERSION
@@ -1 +1 @@
-1.20
+1.21
diff --git a/projects/apache/cloudstack-cloudmonkey/README.md b/projects/apache/cloudstack-cloudmonkey/README.md
index 39aec8b66e..543e1c9bd3 100644
--- a/projects/apache/cloudstack-cloudmonkey/README.md
+++ b/projects/apache/cloudstack-cloudmonkey/README.md
@@ -1,5 +1,5 @@
 ## **CloudMonkey**
-![Version](https://img.shields.io/badge/version-6.3.0-blue)
+![Version](https://img.shields.io/badge/version-6.4.0-blue)
 ![Build Status](https://camo.githubusercontent.com/e659888f1b9d9c9c3046644ef48da811f5b75b28fdff97596401ed5f39e866d5/68747470733a2f2f7472617669732d63692e636f6d2f6170616368652f636c6f7564737461636b2d636c6f75646d6f6e6b65792e7376673f6272616e63683d6d61696e)
 
 `cloudmonkey` is a command line interface (CLI) for