diff --git a/src/main/java/name/ipsi/project/fwbp/foundry/Author.java b/src/main/java/name/ipsi/project/fwbp/foundry/Author.java
new file mode 100644
index 0000000..051dd98
--- /dev/null
+++ b/src/main/java/name/ipsi/project/fwbp/foundry/Author.java
@@ -0,0 +1,65 @@
+package name.ipsi.project.fwbp.foundry;
+
+import java.util.Collections;
+import java.util.Map;
+import java.util.Objects;
+
+public class Author {
+    private final String name;
+    private final String url;
+    private final String discord;
+    private final Map<String, Object> flags;
+
+    public Author(String name, String url, String discord) {
+        this.name = name;
+        this.url = url;
+        this.discord = discord;
+        this.flags = Collections.emptyMap();
+    }
+
+    public Author(String name, String url, String discord, Map<String, Object> flags) {
+        this.name = name;
+        this.url = url;
+        this.discord = discord;
+        this.flags = flags;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String getUrl() {
+        return url;
+    }
+
+    public String getDiscord() {
+        return discord;
+    }
+
+    public Map<String, Object> getFlags() {
+        return flags;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Author author = (Author) o;
+        return Objects.equals(name, author.name) && Objects.equals(url, author.url) && Objects.equals(discord, author.discord) && Objects.equals(flags, author.flags);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(name, url, discord, flags);
+    }
+
+    @Override
+    public String toString() {
+        return "Author{" +
+                "name='" + name + '\'' +
+                ", url='" + url + '\'' +
+                ", discord='" + discord + '\'' +
+                ", flags=" + flags +
+                '}';
+    }
+}
diff --git a/src/main/java/name/ipsi/project/fwbp/foundry/Compatibility.java b/src/main/java/name/ipsi/project/fwbp/foundry/Compatibility.java
new file mode 100644
index 0000000..043d08c
--- /dev/null
+++ b/src/main/java/name/ipsi/project/fwbp/foundry/Compatibility.java
@@ -0,0 +1,49 @@
+package name.ipsi.project.fwbp.foundry;
+
+import java.util.Objects;
+
+public class Compatibility {
+    private final String minimum;
+    private final String verified;
+    private final String maximum;
+
+    public Compatibility(String minimum, String verified, String maximum) {
+        this.minimum = minimum;
+        this.verified = verified;
+        this.maximum = maximum;
+    }
+
+    public String getMinimum() {
+        return minimum;
+    }
+
+    public String getVerified() {
+        return verified;
+    }
+
+    public String getMaximum() {
+        return maximum;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Compatibility that = (Compatibility) o;
+        return Objects.equals(minimum, that.minimum) && Objects.equals(verified, that.verified) && Objects.equals(maximum, that.maximum);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(minimum, verified, maximum);
+    }
+
+    @Override
+    public String toString() {
+        return "Compatibility{" +
+                "minimum='" + minimum + '\'' +
+                ", verified='" + verified + '\'' +
+                ", maximum='" + maximum + '\'' +
+                '}';
+    }
+}
diff --git a/src/main/java/name/ipsi/project/fwbp/foundry/Module.java b/src/main/java/name/ipsi/project/fwbp/foundry/Module.java
index 2defbcf..3447c8f 100644
--- a/src/main/java/name/ipsi/project/fwbp/foundry/Module.java
+++ b/src/main/java/name/ipsi/project/fwbp/foundry/Module.java
@@ -1,18 +1,47 @@
 package name.ipsi.project.fwbp.foundry;
 
+import com.fasterxml.jackson.annotation.JsonInclude;
+
 import java.util.List;
 import java.util.Objects;
 
+@JsonInclude(JsonInclude.Include.NON_NULL)
 public final class Module {
     private final String name;
     private final String title;
     private final String description;
     private final String version;
+    @Deprecated
     private final String author;
+    private final List<Author> authors;
+    @Deprecated
     private final String minimumCoreVersion;
+    @Deprecated
     private final String compatibleCoreVersion;
+    private final Compatibility compatibility;
     private final List<ModulePack> packs;
 
+    public Module(
+            String name,
+            String title,
+            String description,
+            String version,
+            List<Author> authors,
+            Compatibility compatibility,
+            List<ModulePack> packs
+    ) {
+        this.name = name;
+        this.title = title;
+        this.description = description;
+        this.version = version;
+        this.author = null;
+        this.authors = authors;
+        this.minimumCoreVersion = null;
+        this.compatibleCoreVersion = null;
+        this.compatibility = compatibility;
+        this.packs = packs;
+    }
+
     public Module(
             String name,
             String title,
@@ -28,8 +57,10 @@ public Module(
         this.description = description;
         this.version = version;
         this.author = author;
+        this.authors = null;
         this.minimumCoreVersion = minimumCoreVersion;
         this.compatibleCoreVersion = compatibleCoreVersion;
+        this.compatibility = null;
         this.packs = packs;
     }
 
@@ -49,18 +80,29 @@ public String getVersion() {
         return version;
     }
 
+    @Deprecated
     public String getAuthor() {
         return author;
     }
 
+    public List<Author> getAuthors() {
+        return authors;
+    }
+
+    @Deprecated
     public String getMinimumCoreVersion() {
         return minimumCoreVersion;
     }
 
+    @Deprecated
     public String getCompatibleCoreVersion() {
         return compatibleCoreVersion;
     }
 
+    public Compatibility getCompatibility() {
+        return compatibility;
+    }
+
     public List<ModulePack> getPacks() {
         return packs;
     }
@@ -75,14 +117,16 @@ public boolean equals(Object obj) {
                 Objects.equals(this.description, that.description) &&
                 Objects.equals(this.version, that.version) &&
                 Objects.equals(this.author, that.author) &&
+                Objects.equals(this.authors, that.authors) &&
                 Objects.equals(this.minimumCoreVersion, that.minimumCoreVersion) &&
                 Objects.equals(this.compatibleCoreVersion, that.compatibleCoreVersion) &&
+                Objects.equals(this.compatibility, that.compatibility) &&
                 Objects.equals(this.packs, that.packs);
     }
 
     @Override
     public int hashCode() {
-        return Objects.hash(name, title, description, version, author, minimumCoreVersion, compatibleCoreVersion, packs);
+        return Objects.hash(name, title, description, version, author, authors, minimumCoreVersion, compatibleCoreVersion, compatibility, packs);
     }
 
     @Override
@@ -93,8 +137,10 @@ public String toString() {
                 "description=" + description + ", " +
                 "version=" + version + ", " +
                 "author=" + author + ", " +
+                "authors=" + authors + ", " +
                 "minimumCoreVersion=" + minimumCoreVersion + ", " +
                 "compatibleCoreVersion=" + compatibleCoreVersion + ", " +
+                "compatibility=" + compatibility + ", " +
                 "packs=" + packs + ']';
     }
 
diff --git a/src/main/java/name/ipsi/project/fwbp/foundry/ModuleGenerator.java b/src/main/java/name/ipsi/project/fwbp/foundry/ModuleGenerator.java
index 97093a5..d891749 100644
--- a/src/main/java/name/ipsi/project/fwbp/foundry/ModuleGenerator.java
+++ b/src/main/java/name/ipsi/project/fwbp/foundry/ModuleGenerator.java
@@ -13,6 +13,7 @@
 import java.nio.file.attribute.BasicFileAttributes;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.stream.Stream;
 
 public final class ModuleGenerator {
@@ -81,9 +82,16 @@ public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IO
                 title,
                 description,
                 version,
-                author,
-                minVersion,
-                compatibleVersion,
+                Collections.singletonList(new Author(
+                        "Andrew Thorburn",
+                        "",
+                        "ipsi#2461"
+                )),
+                new Compatibility(
+                        "10",
+                        "10",
+                        "10"
+                ),
                 modulePacks
         );
 
diff --git a/src/test/java/name/ipsi/project/fwbp/MainTest.java b/src/test/java/name/ipsi/project/fwbp/MainTest.java
index c898550..5c8cfe0 100644
--- a/src/test/java/name/ipsi/project/fwbp/MainTest.java
+++ b/src/test/java/name/ipsi/project/fwbp/MainTest.java
@@ -25,7 +25,7 @@ void testMainMethod() throws Exception {
         Main.main(new String[]{});
 
         var expectedFiles = new TreeMap<Path, String>();
-        expectedFiles.put(Path.of("modules", "wod-werewolf-20-core", "module.json"), "f8f7a74891abea8ba9c649aa97223ac18f94173218a9902cf0a4541e1c96e9a6870c2fb98a3917db79bddad2e4a334ca234100ca4936b6ba2009529d83503bde");
+        expectedFiles.put(Path.of("modules", "wod-werewolf-20-core", "module.json"), "f79bddaadad4b45444b91ffab880eacfe091dc49edc4e5b92d9641a66dca321d5ab32460ae1204d1905186bf2d6f90903a1e6088fba4b60cb679b3eecf661dec");
         expectedFiles.put(Path.of("modules", "wod-werewolf-20-core", "packs", "auspices.db"), "614157c2c41b18a9ce7d16405c48c3dc0e814690eca875fc3b0635ff599682ca622e26fbc8a0a00c406c9ce469a0efee88aeb903e83d42b31c892745185e2f0c");
         expectedFiles.put(Path.of("modules", "wod-werewolf-20-core", "packs", "breeds.db"), "845067b391529bb99dd30f3676ee84534faf4b92d8907f8be880c990c7c442a63c2c057fe1e7132b9a7bc95999282b57412717cfa5a6d715e608836cb994aa86");
         expectedFiles.put(Path.of("modules", "wod-werewolf-20-core", "packs", "gifts.db"), "dcceddf58db10eb31339bf6ee2e3c6494361039d3b3026bf2204942691718a1c9cf3fd6391632601d933689b1484a4a5cce6c2ded8607f5a2c53ad57e0d3828c");