diff --git a/src/onyx-sql/model.cr b/src/onyx-sql/model.cr
index 6f7ff8d..82e3caa 100644
--- a/src/onyx-sql/model.cr
+++ b/src/onyx-sql/model.cr
@@ -252,4 +252,10 @@ module Onyx::SQL::Model
       @{{pk_rivar}}
     {% end %}
   end
+
+  def before_insert
+  end
+
+  def before_update
+  end
 end
diff --git a/src/onyx-sql/model/instance_query_shortcuts.cr b/src/onyx-sql/model/instance_query_shortcuts.cr
index 90b8bda..cb0513d 100644
--- a/src/onyx-sql/model/instance_query_shortcuts.cr
+++ b/src/onyx-sql/model/instance_query_shortcuts.cr
@@ -13,6 +13,8 @@ module Onyx::SQL::Model
   # user.insert == Query(User).new.insert(id: 42, name: "John")
   # ```
   def insert : Query
+    before_insert
+
     query = Query(self).new
 
     {% for ivar in @type.instance_vars %}
@@ -49,6 +51,8 @@ module Onyx::SQL::Model
   # user.update(changeset) == Query(User).new.update.set(name: "Jake").where(id: 42)
   # ```
   def update(changeset : Changeset(self, U)) : Query forall U
+    before_update
+
     query = Query(self).new.update
 
     {% begin %}