diff --git a/server/src/lib/constants/ea3id.ts b/server/src/lib/constants/ea3id.ts
index f5b1c148f..f47252dac 100644
--- a/server/src/lib/constants/ea3id.ts
+++ b/server/src/lib/constants/ea3id.ts
@@ -14,4 +14,6 @@ export const EXT_CASTHOUR = "2022082400";
 
 export const EXT_RESIDENT = ["2022103100", "2022120800", "2023022000", "2023040400", "2023090500"];
 
+export const EXT_EPOLIS = ["2023101800", "2023103000", "2023121800", "2024021300"];
+
 export const MODEL_SDVX3_KONASTE = "QCV";
diff --git a/server/src/lib/score-import/import-types/common/api-kai/iidx/converter.ts b/server/src/lib/score-import/import-types/common/api-kai/iidx/converter.ts
index f8f2c5ffa..346bae59f 100644
--- a/server/src/lib/score-import/import-types/common/api-kai/iidx/converter.ts
+++ b/server/src/lib/score-import/import-types/common/api-kai/iidx/converter.ts
@@ -299,6 +299,8 @@ function ConvertVersion(version: integer): Versions["iidx:DP" | "iidx:SP"] {
 			return "29";
 		case 30:
 			return "30";
+		case 31:
+			return "31";
 	}
 
 	throw new InvalidScoreFailure(`Unsupported version ${version}.`);
diff --git a/server/src/lib/score-import/import-types/ir/fervidex/parser.ts b/server/src/lib/score-import/import-types/ir/fervidex/parser.ts
index be2c4f503..9e69be59c 100644
--- a/server/src/lib/score-import/import-types/ir/fervidex/parser.ts
+++ b/server/src/lib/score-import/import-types/ir/fervidex/parser.ts
@@ -4,6 +4,7 @@ import {
 	EXT_CASTHOUR,
 	EXT_HEROIC_VERSE,
 	EXT_RESIDENT,
+	EXT_EPOLIS,
 	MODEL_IIDX,
 	MODEL_IIDX_LIGHTNING,
 	MODEL_INFINITAS_2,
@@ -119,6 +120,10 @@ export function SoftwareIDToVersion(
 				} else if (data.rev === REV_2DXTRA) {
 					return "30-2dxtra";
 				}
+			} else if (EXT_EPOLIS.includes(data.ext)) {
+				if (data.rev === REV_NORMAL) {
+					return "31";
+				}
 			}
 		}