diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2e897bc..fd76f33 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -15,12 +15,12 @@ jobs:
 
     strategy:
       matrix:
-        otp_version: [19.3.6, 20.3.8.26, 21.3.8.16, 22.3.4.2, 23.0.2]
+        otp_version: ['19.3.6', '20.3.8.26', '21.3.8.16', '22.3.4.2', '23.0.2', '24.0']
         os: [ubuntu-18.04]
 
     steps:
     - uses: actions/checkout@v2
-    - uses: gleam-lang/setup-erlang@v1.0.0
+    - uses: gleam-lang/setup-erlang@v1.1.2
       with:
         otp-version: ${{ matrix.otp_version }}
 
diff --git a/src/jsx_to_json.erl b/src/jsx_to_json.erl
index d20add6..5b877e2 100644
--- a/src/jsx_to_json.erl
+++ b/src/jsx_to_json.erl
@@ -325,7 +325,8 @@ encode_test_() ->
         },
         {"1.0e23", ?_assert(encode(float, 1.0e23, #config{}) =:= ["1.0e23"])},
         {"0.3", ?_assert(encode(float, 3.0/10.0, #config{}) =:= ["0.3"])},
-        {"0.0001", ?_assert(encode(float, 0.0001, #config{}) =:= ["0.0001"])},
+        {"0.0001", ?_assert(encode(float, 0.0001, #config{}) =:= ["0.0001"]
+                                orelse encode(float, 0.0001, #config{}) =:= ["1.0e-4"])}, % OTP-24
         {"0.00001", ?_assert(encode(float, 0.00001, #config{}) =:= ["1.0e-5"])},
         {"0.00000001", ?_assert(encode(float, 0.00000001, #config{}) =:= ["1.0e-8"])},
         {"1.0e-323", ?_assert(encode(float, 1.0e-323, #config{}) =:= ["1.0e-323"])},