diff --git a/pomerium-datasource-ip2location.dockerfile b/pomerium-datasource-ip2location.dockerfile
index 72a6971..9f02f58 100644
--- a/pomerium-datasource-ip2location.dockerfile
+++ b/pomerium-datasource-ip2location.dockerfile
@@ -9,7 +9,7 @@ RUN --mount=type=secret,id=download_token \
     -o /download/IP2LOCATION-LITE-DB1.CSV.ZIP \
     "https://www.ip2location.com/download/?token=${DOWNLOAD_TOKEN}&file=DB1LITECSV"
 
-FROM golang:1.20.1-buster@sha256:d99d3614cfc6bc0f7e4d96b54682d403f2a7c2ab82c6001a7701e937dd8f4d6d as build
+FROM golang:1.20.1-buster@sha256:9628a1ad396ad02e6d26b8506cd36b2e04c56f827f060bd06fd095963263fea2 as build
 
 WORKDIR /build
 
diff --git a/pomerium-datasource.dockerfile b/pomerium-datasource.dockerfile
index 101a39b..c22b2fe 100644
--- a/pomerium-datasource.dockerfile
+++ b/pomerium-datasource.dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.20.1-buster@sha256:d99d3614cfc6bc0f7e4d96b54682d403f2a7c2ab82c6001a7701e937dd8f4d6d  as build
+FROM golang:1.20.1-buster@sha256:9628a1ad396ad02e6d26b8506cd36b2e04c56f827f060bd06fd095963263fea2  as build
 
 WORKDIR /build