diff --git a/CHANGELOG.md b/CHANGELOG.md
index e6d9bca..0588a3f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
-# 1.4.5
+# 1.4.6
 
+- [#39](https://github.com/ipinfo/mmdbctl/pull/39) Switch to "github.com/edsrzf/mmap-go" for cross-platform mmap implementation (to make Windows builds work again)
 - [#37](https://github.com/ipinfo/mmdbctl/pull/37) `import`: JSON input processing supports `--fields` and `--fields-from-header` flags
 - [#30](https://github.com/ipinfo/mmdbctl/pull/30) added type sizes info found within the data section)
 - [#28](https://github.com/ipinfo/mmdbctl/pull/28) added low-level mmdb data to the metadata output
diff --git a/README.md b/README.md
index fd34dcc..d26cfa1 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ curl -Ls https://github.com/ipinfo/mmdbctl/releases/download/mmdbctl-1.4.5/deb.s
 OR
 
 ```bash
-curl -LO https://github.com/ipinfo/mmdbctl/releases/download/mmdbctl-1.4.5/mmdbctl_1.4.4.deb
+curl -LO https://github.com/ipinfo/mmdbctl/releases/download/mmdbctl-1.4.5/mmdbctl_1.4.6.deb
 sudo dpkg -i mmdbctl_1.4.5.deb
 ```
 
@@ -91,9 +91,9 @@ After choosing a platform `PLAT` from above, run:
 
 ```bash
 # for Windows, use ".zip" instead of ".tar.gz"
-curl -LO https://github.com/ipinfo/mmdbctl/releases/download/mmdbctl-1.4.5/mmdbctl_1.4.4_${PLAT}.tar.gz
+curl -LO https://github.com/ipinfo/mmdbctl/releases/download/mmdbctl-1.4.5/mmdbctl_1.4.6_${PLAT}.tar.gz
 # OR
-wget https://github.com/ipinfo/mmdbctl/releases/download/mmdbctl-1.4.5/mmdbctl_1.4.4_${PLAT}.tar.gz
+wget https://github.com/ipinfo/mmdbctl/releases/download/mmdbctl-1.4.5/mmdbctl_1.4.6_${PLAT}.tar.gz
 tar -xvf mmdbctl_1.4.5_${PLAT}.tar.gz
 mv mmdbctl_1.4.5_${PLAT} /usr/local/bin/mmdbctl
 ```
diff --git a/deb.sh b/deb.sh
index a0ab200..6715ec8 100644
--- a/deb.sh
+++ b/deb.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-VSN=1.4.5
+VSN=1.4.6
 
 curl -LO https://github.com/ipinfo/mmdbctl/releases/download/mmdbctl-${VSN}/mmdbctl_${VSN}.deb
 sudo dpkg -i mmdbctl_${VSN}.deb
diff --git a/dist/DEBIAN/control b/dist/DEBIAN/control
index a2ab286..06f131b 100644
--- a/dist/DEBIAN/control
+++ b/dist/DEBIAN/control
@@ -1,6 +1,6 @@
 Source: mmdbctl
 Section: utils
-Version: 1.4.5
+Version: 1.4.6
 Priority: optional
 Maintainer: IPinfo <support@ipinfo.io>
 Vcs-Git: https://github.com/ipinfo/mmdbctl
diff --git a/macos.sh b/macos.sh
index d1b10df..d27289d 100644
--- a/macos.sh
+++ b/macos.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-VSN=1.4.5
+VSN=1.4.6
 PLAT=darwin_amd64
 
 curl -LO https://github.com/ipinfo/mmdbctl/releases/download/mmdbctl-${VSN}/mmdbctl_${VSN}_${PLAT}.tar.gz
diff --git a/scripts/prepare-release.sh b/scripts/prepare-release.sh
index e4ee204..2ef14cd 100755
--- a/scripts/prepare-release.sh
+++ b/scripts/prepare-release.sh
@@ -55,5 +55,5 @@ mv CHANGELOG.md.new CHANGELOG.md
 rm $CHANGES
 
 # Update README with new version
-cat README.md | sed "s/${LATEST_RELEASE_SEMVER}/${VSN}/" > README.md.new
+cat README.md | sed "s/${LATEST_RELEASE_SEMVER}/${VSN}/g" > README.md.new
 mv README.md.new README.md
\ No newline at end of file
diff --git a/windows.ps1 b/windows.ps1
index c4d216b..1947bdc 100644
--- a/windows.ps1
+++ b/windows.ps1
@@ -1,4 +1,4 @@
-$VSN = "1.4.5"
+$VSN = "1.4.6"
 
 # build the filename for the Zip archive and exe file
 $FileName = "mmdbctl_$($VSN)_windows_amd64"