diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index f2296f85..e6bf2b9e 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -27,7 +27,7 @@ jobs:
   compatibility-test:
     strategy:
       matrix:
-        go-version: ["~1.25.0", "~1.24.0", "~1.23.0"]
+        go-version: ["~1.25.0", "~1.24.0"]
     runs-on: ubuntu-latest
     steps:
     - name: Checkout code
diff --git a/README.md b/README.md
index eafea230..0dc671af 100644
--- a/README.md
+++ b/README.md
@@ -69,7 +69,6 @@ This project is tested on the following systems.
 | -------- | ---------- |
 | Ubuntu   | 1.25       |
 | Ubuntu   | 1.24       |
-| Ubuntu   | 1.23       |
 
 While this project should work for other systems, no compatibility guarantees
 are made for those systems currently.
diff --git a/go.mod b/go.mod
index d26f5b36..2d006556 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module go.opentelemetry.io/proto
 
-go 1.23.0
+go 1.24.0
diff --git a/internal/tools/go.mod b/internal/tools/go.mod
index c9dc1617..3cedb8b3 100644
--- a/internal/tools/go.mod
+++ b/internal/tools/go.mod
@@ -1,6 +1,6 @@
 module go.opentelemetry.io/proto/internal/tools
 
-go 1.23.0
+go 1.24.0
 
 require go.opentelemetry.io/build-tools/multimod v0.26.2
 
diff --git a/otlp/collector/profiles/v1development/go.mod b/otlp/collector/profiles/v1development/go.mod
index 9eea61f2..e4a4d78c 100644
--- a/otlp/collector/profiles/v1development/go.mod
+++ b/otlp/collector/profiles/v1development/go.mod
@@ -1,6 +1,6 @@
 module go.opentelemetry.io/proto/otlp/collector/profiles/v1development
 
-go 1.23.0
+go 1.24.0
 
 require (
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.2
diff --git a/otlp/go.mod b/otlp/go.mod
index aa3e11b3..abee6108 100644
--- a/otlp/go.mod
+++ b/otlp/go.mod
@@ -1,6 +1,6 @@
 module go.opentelemetry.io/proto/otlp
 
-go 1.23.0
+go 1.24.0
 
 require (
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.2
diff --git a/otlp/profiles/v1development/go.mod b/otlp/profiles/v1development/go.mod
index e19f58e4..bec2bc59 100644
--- a/otlp/profiles/v1development/go.mod
+++ b/otlp/profiles/v1development/go.mod
@@ -1,6 +1,6 @@
 module go.opentelemetry.io/proto/otlp/profiles/v1development
 
-go 1.23.0
+go 1.24.0
 
 require (
 	go.opentelemetry.io/proto/otlp v1.8.0
diff --git a/slim/otlp/collector/profiles/v1development/go.mod b/slim/otlp/collector/profiles/v1development/go.mod
index b73538d1..0d64b9a4 100644
--- a/slim/otlp/collector/profiles/v1development/go.mod
+++ b/slim/otlp/collector/profiles/v1development/go.mod
@@ -1,6 +1,6 @@
 module go.opentelemetry.io/proto/slim/otlp/collector/profiles/v1development
 
-go 1.23.0
+go 1.24.0
 
 require (
 	go.opentelemetry.io/proto/slim/otlp/profiles/v1development v0.0.0-20250721084824-6f76ca90124d
diff --git a/slim/otlp/go.mod b/slim/otlp/go.mod
index c2e63393..e0b3c66f 100644
--- a/slim/otlp/go.mod
+++ b/slim/otlp/go.mod
@@ -1,5 +1,5 @@
 module go.opentelemetry.io/proto/slim/otlp
 
-go 1.23.0
+go 1.24.0
 
 require google.golang.org/protobuf v1.36.10
diff --git a/slim/otlp/profiles/v1development/go.mod b/slim/otlp/profiles/v1development/go.mod
index f0d95058..d1157316 100644
--- a/slim/otlp/profiles/v1development/go.mod
+++ b/slim/otlp/profiles/v1development/go.mod
@@ -1,6 +1,6 @@
 module go.opentelemetry.io/proto/slim/otlp/profiles/v1development
 
-go 1.23.0
+go 1.24.0
 
 require (
 	go.opentelemetry.io/proto/slim/otlp v1.8.0