diff --git a/Makefile b/Makefile
index f760de5..75947ec 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-VERSION := 1.4.5.2
+VERSION := 1.4.5.3
 BINNAME := solbuild
 
 .PHONY: build
diff --git a/builder/pkg.go b/builder/pkg.go
index be8665b..54e6136 100644
--- a/builder/pkg.go
+++ b/builder/pkg.go
@@ -46,7 +46,7 @@ var (
 	// system.
 	IndexPackage = Package{
 		Name:    "index",
-		Version: "1.4.5.2",
+		Version: "1.4.5.3",
 		Type:    PackageTypeIndex,
 		Release: 1,
 		Path:    "",
diff --git a/builder/source/simple.go b/builder/source/simple.go
index b944cc4..f5a55ea 100644
--- a/builder/source/simple.go
+++ b/builder/source/simple.go
@@ -141,7 +141,7 @@ func (s *SimpleSource) download(destination string) error {
 	hnd.Setopt(curl.OPT_PROGRESSFUNCTION, progress)
 	// Enforce internal 300 second connect timeout in libcurl
 	hnd.Setopt(curl.OPT_CONNECTTIMEOUT, 0)
-	hnd.Setopt(curl.OPT_USERAGENT, fmt.Sprintf("solbuild 1.4.5.2"))
+	hnd.Setopt(curl.OPT_USERAGENT, fmt.Sprintf("solbuild 1.4.5.3"))
 
 	pbar.Start()
 	defer func() {
diff --git a/cmd/version.go b/cmd/version.go
index 96d2335..fa83753 100644
--- a/cmd/version.go
+++ b/cmd/version.go
@@ -23,7 +23,7 @@ import (
 
 const (
 	// SolbuildVersion is the current public version of solbuild
-	SolbuildVersion = "1.4.5.2"
+	SolbuildVersion = "1.4.5.3"
 )
 
 var versionCmd = &cobra.Command{