diff --git a/tox.ini b/tox.ini
index c6d3116f9d3..312e217fdae 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,7 +12,7 @@ envlist =
     ; below mean these dependencies are being used:
     ; 0: protobuf==3.20.3
     ; 1: protobuf==4.25.3
-    py3{8,9,10,11}-opentelemetry-protobuf-{0,1}
+    py3{8,9,10,11,12}-opentelemetry-protobuf-{0,1}
     pypy3-opentelemetry-protobuf-{0,1}
 
     py3{8,9,10,11,12}-opentelemetry-sdk
@@ -38,7 +38,7 @@ envlist =
     ; below mean these dependencies are being used:
     ; 0: protobuf==3.20.3
     ; 1: protobuf==4.25.3
-    py3{8,9,10,11}-opentelemetry-exporter-otlp-proto-common-{0,1}
+    py3{8,9,10,11,12}-opentelemetry-exporter-otlp-proto-common-{0,1}
     pypy3-opentelemetry-exporter-otlp-proto-common-{0,1}
 
     ; opentelemetry-exporter-otlp
@@ -49,14 +49,14 @@ envlist =
     ; below mean these dependencies are being used:
     ; 0: protobuf==3.20.3
     ; 1: protobuf==4.25.3
-    py3{8,9,10,11}-opentelemetry-exporter-otlp-proto-grpc-{0,1}
+    py3{8,9,10,11,12}-opentelemetry-exporter-otlp-proto-grpc-{0,1}
     ; intentionally excluded from pypy3
 
     ; The numbers at the end of the environment names
     ; below mean these dependencies are being used:
     ; 0: protobuf==3.20.3
     ; 1: protobuf==4.25.3
-    py3{8,9,10,11}-opentelemetry-exporter-otlp-proto-http-{0,1}
+    py3{8,9,10,11,12}-opentelemetry-exporter-otlp-proto-http-{0,1}
     pypy3-opentelemetry-exporter-otlp-proto-http-{0,1}
 
     py3{8,9,10,11,12}-opentelemetry-exporter-prometheus