diff --git a/experimenter/experimenter/experiments/constants.py b/experimenter/experimenter/experiments/constants.py
index 57ae46dc79..04b5bc8d6a 100644
--- a/experimenter/experimenter/experiments/constants.py
+++ b/experimenter/experimenter/experiments/constants.py
@@ -582,6 +582,7 @@ def parse(version_str):
         FIREFOX_132_B6 = "132.0b6"
         FIREFOX_133 = "133.!"
         FIREFOX_133_B8 = "133.0b8"
+        FIREFOX_133_0_1 = "133.0.1"
         FIREFOX_134 = "134.!"
         FIREFOX_135 = "135.!"
         FIREFOX_136 = "136.!"
diff --git a/experimenter/experimenter/nimbus-ui/schema.graphql b/experimenter/experimenter/nimbus-ui/schema.graphql
index 42458ad212..4040fd7242 100644
--- a/experimenter/experimenter/nimbus-ui/schema.graphql
+++ b/experimenter/experimenter/nimbus-ui/schema.graphql
@@ -296,6 +296,7 @@ enum NimbusExperimentFirefoxVersionEnum {
   FIREFOX_132_B6
   FIREFOX_133
   FIREFOX_133_B8
+  FIREFOX_133_0_1
   FIREFOX_134
   FIREFOX_135
   FIREFOX_136
diff --git a/experimenter/experimenter/nimbus-ui/src/types/globalTypes.ts b/experimenter/experimenter/nimbus-ui/src/types/globalTypes.ts
index 4c9e6f1a3d..cb11337506 100644
--- a/experimenter/experimenter/nimbus-ui/src/types/globalTypes.ts
+++ b/experimenter/experimenter/nimbus-ui/src/types/globalTypes.ts
@@ -125,6 +125,7 @@ export enum NimbusExperimentFirefoxVersionEnum {
   FIREFOX_132 = "FIREFOX_132",
   FIREFOX_132_B6 = "FIREFOX_132_B6",
   FIREFOX_133 = "FIREFOX_133",
+  FIREFOX_133_0_1 = "FIREFOX_133_0_1",
   FIREFOX_133_B8 = "FIREFOX_133_B8",
   FIREFOX_134 = "FIREFOX_134",
   FIREFOX_135 = "FIREFOX_135",