diff --git a/src/main.cpp b/src/main.cpp
index e498db0..2835600 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -46,23 +46,23 @@
                                true);
     std::cout << "Welcome to netconf-cli" << std::endl;
 
-    Schema schema;
-    schema.addContainer("", "a", yang::ContainerTraits::Presence);
-    schema.addContainer("", "b");
-    schema.addLeaf("", "leafString", yang::LeafDataTypes::String);
-    schema.addLeaf("", "leafDecimal", yang::LeafDataTypes::Decimal);
-    schema.addLeaf("", "leafBool", yang::LeafDataTypes::Bool);
-    schema.addLeaf("", "leafInt", yang::LeafDataTypes::Int);
-    schema.addLeaf("", "leafUint", yang::LeafDataTypes::Uint);
-    schema.addLeafEnum("", "leafEnum", {"lol", "data", "coze"});
-    schema.addContainer("a", "a2");
-    schema.addLeaf("a", "leafa", yang::LeafDataTypes::String);
-    schema.addContainer("b", "b2", yang::ContainerTraits::Presence);
-    schema.addContainer("a/a2", "a3", yang::ContainerTraits::Presence);
-    schema.addContainer("b/b2", "b3");
-    schema.addList("", "list", {"number"});
-    schema.addContainer("list", "contInList", yang::ContainerTraits::Presence);
-    schema.addList("", "twoKeyList", {"number", "name"});
+    auto schema = std::make_shared<Schema>();
+    schema->addContainer("", "a", yang::ContainerTraits::Presence);
+    schema->addContainer("", "b");
+    schema->addLeaf("", "leafString", yang::LeafDataTypes::String);
+    schema->addLeaf("", "leafDecimal", yang::LeafDataTypes::Decimal);
+    schema->addLeaf("", "leafBool", yang::LeafDataTypes::Bool);
+    schema->addLeaf("", "leafInt", yang::LeafDataTypes::Int);
+    schema->addLeaf("", "leafUint", yang::LeafDataTypes::Uint);
+    schema->addLeafEnum("", "leafEnum", {"lol", "data", "coze"});
+    schema->addContainer("a", "a2");
+    schema->addLeaf("a", "leafa", yang::LeafDataTypes::String);
+    schema->addContainer("b", "b2", yang::ContainerTraits::Presence);
+    schema->addContainer("a/a2", "a3", yang::ContainerTraits::Presence);
+    schema->addContainer("b/b2", "b3");
+    schema->addList("", "list", {"number"});
+    schema->addContainer("list", "contInList", yang::ContainerTraits::Presence);
+    schema->addList("", "twoKeyList", {"number", "name"});
     Parser parser(schema);
 
     while (true) {
@@ -74,7 +74,7 @@
 
         try {
             command_ cmd = parser.parseCommand(input, std::cout);
-            boost::apply_visitor(Interpreter(parser, schema), cmd);
+            boost::apply_visitor(Interpreter(parser, *schema), cmd);
         } catch (InvalidCommandException& ex) {
             std::cerr << ex.what() << std::endl;
         }
diff --git a/src/parser.cpp b/src/parser.cpp
index e2d0330..0c62358 100644
--- a/src/parser.cpp
+++ b/src/parser.cpp
@@ -13,7 +13,7 @@
 InvalidCommandException::~InvalidCommandException() = default;
 
 
-Parser::Parser(const Schema& schema)
+Parser::Parser(const std::shared_ptr<const Schema> schema)
     : m_schema(schema)
 {
 }
@@ -21,7 +21,7 @@
 command_ Parser::parseCommand(const std::string& line, std::ostream& errorStream)
 {
     command_ parsedCommand;
-    ParserContext ctx(m_schema, m_curDir);
+    ParserContext ctx(*m_schema, m_curDir);
     auto it = line.begin();
 
     boost::spirit::x3::error_handler<std::string::const_iterator> errorHandler(it, line.end(), errorStream);
diff --git a/src/parser.hpp b/src/parser.hpp
index 0a253c1..05e636e 100644
--- a/src/parser.hpp
+++ b/src/parser.hpp
@@ -26,12 +26,12 @@
 
 class Parser {
 public:
-    Parser(const Schema& schema);
+    Parser(const std::shared_ptr<const Schema> schema);
     command_ parseCommand(const std::string& line, std::ostream& errorStream);
     void changeNode(const path_& name);
     std::string currentNode() const;
 
 private:
-    const Schema& m_schema;
+    const std::shared_ptr<const Schema> m_schema;
     path_ m_curDir;
 };
diff --git a/tests/cd.cpp b/tests/cd.cpp
index 8fe30ad..3ba1e2f 100644
--- a/tests/cd.cpp
+++ b/tests/cd.cpp
@@ -13,16 +13,16 @@
 
 TEST_CASE("cd")
 {
-    Schema schema;
-    schema.addContainer("", "a");
-    schema.addContainer("", "b");
-    schema.addContainer("a", "a2");
-    schema.addContainer("b", "b2");
-    schema.addContainer("a/a2", "a3");
-    schema.addContainer("b/b2", "b3");
-    schema.addList("", "list", {"number"});
-    schema.addContainer("list", "contInList");
-    schema.addList("", "twoKeyList", {"number", "name"});
+    auto schema = std::make_shared<Schema>();
+    schema->addContainer("", "a");
+    schema->addContainer("", "b");
+    schema->addContainer("a", "a2");
+    schema->addContainer("b", "b2");
+    schema->addContainer("a/a2", "a3");
+    schema->addContainer("b/b2", "b3");
+    schema->addList("", "list", {"number"});
+    schema->addContainer("list", "contInList");
+    schema->addList("", "twoKeyList", {"number", "name"});
     Parser parser(schema);
     std::string input;
     std::ostringstream errorStream;
diff --git a/tests/leaf_editing.cpp b/tests/leaf_editing.cpp
index 09e8504..9ae2d97 100644
--- a/tests/leaf_editing.cpp
+++ b/tests/leaf_editing.cpp
@@ -13,17 +13,17 @@
 
 TEST_CASE("leaf editing")
 {
-    Schema schema;
-    schema.addContainer("", "contA");
-    schema.addLeaf("", "leafString", yang::LeafDataTypes::String);
-    schema.addLeaf("", "leafDecimal", yang::LeafDataTypes::Decimal);
-    schema.addLeaf("", "leafBool", yang::LeafDataTypes::Bool);
-    schema.addLeaf("", "leafInt", yang::LeafDataTypes::Int);
-    schema.addLeaf("", "leafUint", yang::LeafDataTypes::Uint);
-    schema.addLeafEnum("", "leafEnum", {"lol", "data", "coze"});
-    schema.addLeaf("contA", "leafInCont", yang::LeafDataTypes::String);
-    schema.addList("", "list", {"number"});
-    schema.addLeaf("list", "leafInList", yang::LeafDataTypes::String);
+    auto schema = std::make_shared<Schema>();
+    schema->addContainer("", "contA");
+    schema->addLeaf("", "leafString", yang::LeafDataTypes::String);
+    schema->addLeaf("", "leafDecimal", yang::LeafDataTypes::Decimal);
+    schema->addLeaf("", "leafBool", yang::LeafDataTypes::Bool);
+    schema->addLeaf("", "leafInt", yang::LeafDataTypes::Int);
+    schema->addLeaf("", "leafUint", yang::LeafDataTypes::Uint);
+    schema->addLeafEnum("", "leafEnum", {"lol", "data", "coze"});
+    schema->addLeaf("contA", "leafInCont", yang::LeafDataTypes::String);
+    schema->addList("", "list", {"number"});
+    schema->addLeaf("list", "leafInList", yang::LeafDataTypes::String);
     Parser parser(schema);
     std::string input;
     std::ostringstream errorStream;
diff --git a/tests/presence_containers.cpp b/tests/presence_containers.cpp
index 8958627..0a678fb 100644
--- a/tests/presence_containers.cpp
+++ b/tests/presence_containers.cpp
@@ -14,14 +14,14 @@
 
 TEST_CASE("presence containers")
 {
-    Schema schema;
-    schema.addContainer("", "a", yang::ContainerTraits::Presence);
-    schema.addContainer("", "b");
-    schema.addContainer("a", "a2");
-    schema.addContainer("a/a2", "a3", yang::ContainerTraits::Presence);
-    schema.addContainer("b", "b2", yang::ContainerTraits::Presence);
-    schema.addList("", "list", {"quote"});
-    schema.addContainer("list", "contInList", yang::ContainerTraits::Presence);
+    auto schema = std::make_shared<Schema>();
+    schema->addContainer("", "a", yang::ContainerTraits::Presence);
+    schema->addContainer("", "b");
+    schema->addContainer("a", "a2");
+    schema->addContainer("a/a2", "a3", yang::ContainerTraits::Presence);
+    schema->addContainer("b", "b2", yang::ContainerTraits::Presence);
+    schema->addList("", "list", {"quote"});
+    schema->addContainer("list", "contInList", yang::ContainerTraits::Presence);
     Parser parser(schema);
     std::string input;
     std::ostringstream errorStream;