diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bf32e1d..907ca2f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
 
     strategy:
       matrix:
-        otp-version: [25, 26, 27]
+        otp-version: [24, 25, 26, 27]
         os: [ubuntu-24.04]
 
     steps:
diff --git a/rebar.config b/rebar.config
index b964aa2..930fdad 100644
--- a/rebar.config
+++ b/rebar.config
@@ -1,4 +1,4 @@
-{minimum_otp_vsn, "25"}.
+%{minimum_otp_vsn, "25"}.
 
 {erl_opts, [
     debug_info,
diff --git a/src/euneus_encoder.erl b/src/euneus_encoder.erl
index 8bee8d8..dc186f2 100644
--- a/src/euneus_encoder.erl
+++ b/src/euneus_encoder.erl
@@ -493,8 +493,13 @@ encode_term(Term, Encode, State) ->
 encode_integer(Int, _Encode, _State) ->
     erlang:integer_to_binary(Int, 10).
 
+-if(?OTP_RELEASE >= 25).
 encode_float(Float, _Encode, _State) ->
     erlang:float_to_binary(Float, [short]).
+-else.
+encode_float(Float, _Encode, _State) ->
+    iolist_to_binary(io_lib_format:fwrite_g(Float)).
+-endif.
 
 encode_atom(true, _Encode, _State) ->
     <<"true">>;