diff --git a/99-labs/02-webapps/README.md b/99-labs/02-webapps/README.md
index 689a42e..c8d2ec6 100644
--- a/99-labs/02-webapps/README.md
+++ b/99-labs/02-webapps/README.md
@@ -207,7 +207,7 @@ First we create a manifest (a file with the name `Dockerfile`) that describes ho
 ############################################
 # Stage 1: Compile the binary in a containerized Golang environment
 ############################################
-FROM golang:latest as build
+FROM docker.io/golang:latest as build
 
 # Copy the source files from the host
 COPY . /
diff --git a/99-labs/code/helloworld/deploy/Dockerfile b/99-labs/code/helloworld/deploy/Dockerfile
index 83256b1..5dfe733 100644
--- a/99-labs/code/helloworld/deploy/Dockerfile
+++ b/99-labs/code/helloworld/deploy/Dockerfile
@@ -1,7 +1,7 @@
 ############################################
 # Stage 1: Compile the binary in a containerized Golang environment
 ############################################
-FROM golang:latest as build
+FROM docker.io/golang:latest as build
 
 # Copy the source files from the host
 COPY . /
diff --git a/99-labs/code/kvstore/deploy/Dockerfile b/99-labs/code/kvstore/deploy/Dockerfile
index e2cea90..dc37431 100644
--- a/99-labs/code/kvstore/deploy/Dockerfile
+++ b/99-labs/code/kvstore/deploy/Dockerfile
@@ -1,7 +1,7 @@
 ############################################
 # Stage 1: Compile the binary in a containerized Golang environment
 ############################################
-FROM golang:latest as build
+FROM docker.io/golang:latest as build
 
 # Copy the source files from the host
 COPY . /kvstore