diff --git a/Makefile b/Makefile
index 33b3f6c35add..4e33e067f102 100644
--- a/Makefile
+++ b/Makefile
@@ -23,7 +23,7 @@ SHELL:=/usr/bin/env bash
 #
 # Go.
 #
-GO_VERSION ?= 1.19.13
+GO_VERSION ?= 1.20.8
 GO_CONTAINER_IMAGE ?= docker.io/library/golang:$(GO_VERSION)
 
 # Use GOPROXY environment variable if set
diff --git a/Tiltfile b/Tiltfile
index 0a3488060c57..204f72e36527 100644
--- a/Tiltfile
+++ b/Tiltfile
@@ -165,7 +165,7 @@ def load_provider_tiltfiles():
 
 tilt_helper_dockerfile_header = """
 # Tilt image
-FROM golang:1.19.13 as tilt-helper
+FROM golang:1.20.8 as tilt-helper
 # Support live reloading with Tilt
 RUN go install github.com/go-delve/delve/cmd/dlv@v1.9.1
 RUN wget --output-document /restart.sh --quiet https://raw.githubusercontent.com/tilt-dev/rerun-process-wrapper/master/restart.sh  && \