diff --git a/dist/run/bootstrap/getParsedComposeFile.js b/dist/run/bootstrap/getParsedComposeFile.js
index 9734743..ae3c5c8 100644
--- a/dist/run/bootstrap/getParsedComposeFile.js
+++ b/dist/run/bootstrap/getParsedComposeFile.js
@@ -18,6 +18,22 @@ const PortBinding = io.type({
     published: io.number,
     target: io.number,
 });
+const PortBindingComposeObject = io.type({
+    published: io.union([io.number, io.string]),
+    target: io.number,
+  })
+  const PortBindingFromComposeObject = new io.Type(
+    'PortBindingFromComposeObject',
+    PortBinding.is,
+    (input, context) =>
+      Either.either.chain(PortBindingComposeObject.validate(input, context), ports =>
+        io.success({
+          ...ports,
+          published: io.string.is(ports.published) ? parseInt(ports.published) : ports.published,
+        }),
+      ),
+    function_1.identity,
+  )
 const PortBindingFromString = new io.Type('PortBindingFromComposeString', PortBinding.is, (input, context) => {
     const match = input.match(/(\d*):(\d*)\/\w*/);
     return match
@@ -27,7 +43,7 @@ const PortBindingFromString = new io.Type('PortBindingFromComposeString', PortBi
         })
         : io.failure(input, context, 'String did not match expected format.');
 }, function_1.identity);
-const PortBindingFromComposeFile = new io.Type('PortBindingFromComposeFile', PortBinding.is, (input, context) => function_1.pipe(io.string.is(input) ? PortBindingFromString.validate(input, context) : PortBinding.validate(input, context), Either.fold(err => io.failure(input, context, 'Could not decode the port mappings. This is most likely related to a breaking change in the docker-compose format.\n' +
+const PortBindingFromComposeFile = new io.Type('PortBindingFromComposeFile', PortBinding.is, (input, context) => function_1.pipe(io.string.is(input) ? PortBindingFromString.validate(input, context): PortBindingFromComposeObject.validate(input, context), Either.fold(err => io.failure(input, context, 'Could not decode the port mappings. This is most likely related to a breaking change in the docker-compose format.\n' +
     `Received: ${JSON.stringify(input)}\n` +
     err
         .filter(err => err.message)
@@ -38,7 +54,6 @@ const DockerComposeService = io.partial({
     ports: io.array(PortBindingFromComposeFile),
 });
 const ComposeFile = io.type({
-    version: io.string,
     services: io.record(io.string, DockerComposeService),
 });
 const handleDecodeError = (err) => {
@@ -49,12 +64,7 @@ const decodeComposeFile = function_1.flow(ComposeFile.decode, Either.fold(handle
 const DOCKEST_COMPOSE_FILE_VERSION = '3.8';
 exports.getParsedComposeFile = (mergedComposeFiles) => {
     const dockerComposeFile = function_1.pipe(mergedComposeFiles, js_yaml_1.safeLoad, decodeComposeFile);
-    const versionNumber = parseFloat(dockerComposeFile.version);
-    if (Math.trunc(versionNumber) < 3) {
-        throw new Errors_1.DockestError(`Incompatible docker-compose file version. Please use version '3.x'`);
-    }
-    else if (dockerComposeFile.version !== DOCKEST_COMPOSE_FILE_VERSION) {
-        Logger_1.Logger.warn(`You should upgrade to docker-compose file version '${DOCKEST_COMPOSE_FILE_VERSION}'. Dockest automatically uses that version.`);
+    if (dockerComposeFile.version !== DOCKEST_COMPOSE_FILE_VERSION) {
         dockerComposeFile.version = DOCKEST_COMPOSE_FILE_VERSION;
     }
     return {