diff --git a/server/Dockerfile b/server/Dockerfile
index 66ce5e92c..8fa52f663 100644
--- a/server/Dockerfile
+++ b/server/Dockerfile
@@ -5,9 +5,9 @@
 FROM node:16 as build
 WORKDIR /app
 COPY --chown=node:node . /app
-RUN npm install --silent -g pnpm && groupmod -g 1003 node && chown node:node /app
+RUN npm install --silent -g pnpm@6 && groupmod -g 1003 node && chown node:node /app
 USER node
-RUN pnpm install --silent && pnpm build && pnpm prune --silent --production && pnpm store prune --silent
+RUN pnpm install --silent --frozen-lockfile && pnpm build && pnpm prune --silent --production && pnpm store prune --silent
 HEALTHCHECK --interval=15s --timeout=5s CMD curl -f http://localhost:8080/api/v1/status || exit 1
 ENV NODE_PATH=js/
 CMD ["node", "js/main.js"]
diff --git a/server/src/lib/score-import/import-types/file/solid-state-squad/parser.test.ts b/server/src/lib/score-import/import-types/file/solid-state-squad/parser.test.ts
index 190dd8e7d..52c17f7e9 100644
--- a/server/src/lib/score-import/import-types/file/solid-state-squad/parser.test.ts
+++ b/server/src/lib/score-import/import-types/file/solid-state-squad/parser.test.ts
@@ -103,6 +103,43 @@ t.test("#ParseSolidStateXML", (t) => {
 		t.end();
 	});
 
+	t.test("Should parse S3 XML on the chart .59", (t) => {
+		const res = ParseSolidStateXML(
+			MockMulterFile(GetKTDataBuffer("./s3/point-five-nine.xml"), "point-five-nine.xml"),
+			{},
+			logger
+		);
+
+		t.hasStrict(
+			res.iterable,
+			[
+				{
+					id: 187,
+					diff: 7,
+					songname: ".59",
+					styles: "3rd",
+					exscore: 100,
+					scorebreakdown: {
+						justgreats: 50,
+						greats: 50,
+						good: 0,
+						bad: 0,
+						poor: 4,
+					},
+					mods: {},
+					cleartype: "perfect",
+					date: "2010-10-19 04:54:22",
+				},
+			],
+			"Should return the right score in the iterable."
+		);
+		t.equal(res.game, "iidx", "Should return IIDX as the game.");
+		t.equal(res.classHandler, null, "Should return no class handler.");
+		t.strictSame(res.context, {}, "Should return no context.");
+
+		t.end();
+	});
+
 	t.test("Should reject S3 XML with no scores", (t) => {
 		t.throws(
 			() =>
diff --git a/server/src/lib/score-import/import-types/file/solid-state-squad/parser.ts b/server/src/lib/score-import/import-types/file/solid-state-squad/parser.ts
index e66c340e0..9dc01acaf 100644
--- a/server/src/lib/score-import/import-types/file/solid-state-squad/parser.ts
+++ b/server/src/lib/score-import/import-types/file/solid-state-squad/parser.ts
@@ -20,7 +20,19 @@ const PR_SOLID_STATE: PrudenceSchema = {
 				{
 					id: p.isPositiveInteger,
 					diff: p.isIn("L7", 7, "A", "B", 5, "L14", 14, "A14", "B14"),
-					songname: "string",
+
+					// https://github.com/TNG-dev/tachi-server/issues/718
+					// The song title '.59' is automatically coerced into a float
+					// by our XML parser. Despite the fact that it's in a CData field.
+					// Regardless of the mess that is XML, we need to accept numbers in
+					// this field, and then convert them back to strings later.
+					//
+					// Making a proper solution for this isn't possible, as the bowels
+					// of the XML parser are inaccessible to us.
+					// I *hate* XML.
+					//
+					// What a disaster.
+					songname: p.or("string", p.is(0.59)),
 					styles: "string",
 
 					exscore: p.isPositiveInteger,
@@ -53,6 +65,9 @@ const PR_SOLID_STATE: PrudenceSchema = {
 
 const xmlParser = new XMLParser();
 
+// .59 is a song that is interpreted as a float by our XML parser.
+type PreStringifiedS3Score = Omit<S3Score, "songname"> & { songname: 0.59 | string };
+
 export function ParseSolidStateXML(
 	fileData: Express.Multer.File,
 	body: Record<string, unknown>,
@@ -102,6 +117,19 @@ export function ParseSolidStateXML(
 		throw new ScoreImportFatalError(400, FormatPrError(err, "Invalid S3 XML."));
 	}
 
+	let scoreData = parsedXML.s3data.scoredata.song as PreStringifiedS3Score[];
+
+	scoreData = scoreData.map((e) => ({
+		...e,
+		// Songnames here are either numbers or strings due to a disgusting hack
+		// @see #718
+		// We forcibly convert all these back to strings.
+		// Note that we can't even use the generic solution .toString, because the
+		// song title is .59, not 0.59.
+		// This is genuinely horrific.
+		songname: e.songname === 0.59 ? ".59" : e.songname,
+	}));
+
 	return {
 		classHandler: null,
 		context: {},
diff --git a/server/src/test-utils/test-data/s3/point-five-nine.xml b/server/src/test-utils/test-data/s3/point-five-nine.xml
new file mode 100644
index 000000000..63b9c76a0
--- /dev/null
+++ b/server/src/test-utils/test-data/s3/point-five-nine.xml
@@ -0,0 +1,47 @@
+<s3data version="0.1" xmlns="http://iidx.solidstatesquad.com/xml/ns#">
+	<userdata>
+		<id>3</id>
+		<login>
+			<![CDATA[zkldi]]>
+		</login>
+		<djname>
+			<![CDATA[ZKLDI]]>
+		</djname>
+	</userdata>
+	<scoredata>
+		<song>
+			<id>187</id>
+			<diff>7</diff>
+			<songname>
+				<![CDATA[.59]]>
+			</songname>
+			<artist>
+				<![CDATA[TAKA]]>
+			</artist>
+			<genre>
+				<![CDATA[CHILL OUT]]>
+			</genre>
+			<bpm>174</bpm>
+			<styles>3rd</styles>
+			<rating>1</rating>
+			<notes>137</notes>
+			<exscore>100</exscore>
+			<grade>AA</grade>
+			<djpoints>9</djpoints>
+			<scorebreakdown>
+				<justgreats>50</justgreats>
+				<greats>50</greats>
+				<good>0</good>
+				<bad>0</bad>
+				<poor>4</poor>
+			</scorebreakdown>
+			<mods>
+				<highspeed>2</highspeed>
+				<hidsud>T</hidsud>
+				<ranmir>B</ranmir>
+			</mods>
+			<cleartype>perfect</cleartype>
+			<date>2010-10-19 04:54:22</date>
+		</song>
+	</scoredata>
+</s3data>
\ No newline at end of file