diff --git a/docs/tutorial.md b/docs/tutorial.md
index ccbabd3..826f015 100644
--- a/docs/tutorial.md
+++ b/docs/tutorial.md
@@ -30,13 +30,13 @@ information:
     <summary><b>Click to show input</b></summary>
 
 ```ntriples
-<http://example.org/Alice> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/0.1/Person> .
+<http://example.org/Alice> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> .
 <http://example.org/Alice> <http://xmlns.com/foaf/0.1/holdsAccount> <http://example.org/Alice-Bank-Account> .
-<http://example.org/Alice-Bank-Account> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/OnlineAccount> .
+<http://example.org/Alice-Bank-Account> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/OnlineAccount> .
 <http://example.org/Alice-Bank-Account> <http://schema.org/name> "my_account32" .
 <http://example.org/Alice-Bank-Account> <http://schema.org/accessCode> "secret-123" .
 <http://example.org/Alice> <http://schema.org/name> "Alice" .
-<http://example.org/Bank> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/0.1/Organization> .
+<http://example.org/Bank> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Organization> .
 <http://example.org/Bank> <http://schema.org/name> "Bank" .
 ```
 
@@ -49,13 +49,13 @@ secret information while keeping the rest as is:
     <summary><b>Click to show output</b></summary>
 
 ```
-<http://example.org/af321bbc> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/0.1/Person> .
+<http://example.org/af321bbc> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> .
 <http://example.org/af321bbc> <http://xmlns.com/foaf/0.1/holdsAccount> <http://example.org/bs2313bc> .
-<http://example.org/bs2313bc> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/OnlineAccount> .
+<http://example.org/bs2313bc> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/OnlineAccount> .
 <http://example.org/bs2313bc> <http://schema.org/name> "pp54r32" .
 <http://example.org/bs2313bc> <http://schema.org/accessCode> "asfnd223" .
 <http://example.org/af321bbc> <http://schema.org/name> "af321bbc" .
-<http://example.org/Bank> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/0.1/Organization> .
+<http://example.org/Bank> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Organization> .
 <http://example.org/Bank> <http://schema.org/name> "Bank" .
 ```
 
@@ -80,13 +80,13 @@ The goal is to pseudonymize all instaces of `rdf:type` Person. The following
 input file:
 
 ```
-<http://example.org/Alice> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/0.1/Person> .
+<http://example.org/Alice> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> .
 ```
 
 Would become:
 
 ```
-<http://example.org/af321bbc> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/0.1/Person> .
+<http://example.org/af321bbc> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> .
 ```
 
 </details>
@@ -108,18 +108,18 @@ The goal is to pseudonymize only the instances of names when they're associated
 to Person. The following input file:
 
 ```
-<http://example.org/Alice> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/0.1/Person> .
+<http://example.org/Alice> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> .
 <http://example.org/Alice> <http://schema.org/name> "Alice" .
-<http://example.org/Bank> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/0.1/Organization> .
+<http://example.org/Bank> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Organization> .
 <http://example.org/Bank> <http://schema.org/name> "Bank" .
 ```
 
 Would become:
 
 ```
-<http://example.org/Alice> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/0.1/Person> .
+<http://example.org/Alice> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> .
 <http://example.org/Alice> <http://schema.org/name> "af321bbc" .
-<http://example.org/Bank> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/0.1/Organization> .
+<http://example.org/Bank> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Organization> .
 <http://example.org/Bank> <http://schema.org/name> "Bank" .
 ```
 
@@ -141,18 +141,18 @@ The goal is to pseudonymize any values associated to name. The following input
 file:
 
 ```
-<http://example.org/Alice> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/0.1/Person> .
+<http://example.org/Alice> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> .
 <http://example.org/Alice> <http://schema.org/name> "Alice" .
-<http://example.org/Bank> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/0.1/Organization> .
+<http://example.org/Bank> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Organization> .
 <http://example.org/Bank> <http://schema.org/name> "Bank" .
 ```
 
 Would become:
 
 ```
-<http://example.org/Alice> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/0.1/Person> .
+<http://example.org/Alice> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> .
 <http://example.org/Alice> <http://schema.org/name> "af321bbc" .
-<http://example.org/Bank> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/0.1/Organization> .
+<http://example.org/Bank> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Organization> .
 <http://example.org/Bank> <http://schema.org/name> "38a3dd71" .
 ```
 
diff --git a/tests/data/test.nt b/tests/data/test.nt
index 55a842f..63a6d5e 100644
--- a/tests/data/test.nt
+++ b/tests/data/test.nt
@@ -1,15 +1,15 @@
-<http://example.org/Alice> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/0.1/Person> .
+<http://example.org/Alice> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> .
 <http://example.org/Alice> <http://xmlns.com/foaf/0.1/holdsAccount> <http://example.org/Alice-Bank-Account> .
-<http://example.org/Alice-Bank-Account> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/OnlineAccount> .
+<http://example.org/Alice-Bank-Account> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/OnlineAccount> .
 <http://example.org/Alice-Bank-Account> <http://schema.org/name> "my_account32" .
 <http://example.org/Alice-Bank-Account> <http://schema.org/accessCode> "secret-123" .
 <http://example.org/Alice> <http://schema.org/name> "Alice" .
 <http://example.org/Bob> <http://xmlns.com/foaf/0.1/knows> <http://example.org/Alice> .
-<http://example.org/Bob> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/0.1/Person> .
+<http://example.org/Bob> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> .
 <http://example.org/Bob> <http://xmlns.com/foaf/0.1/holdsAccount> <http://example.org/Bob-Bank-Account> .
-<http://example.org/Bob-Bank-Account> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/OnlineAccount> .
+<http://example.org/Bob-Bank-Account> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/OnlineAccount> .
 <http://example.org/Bob-Bank-Account> <http://schema.org/name> "my_account12" .
 <http://example.org/Bob-Bank-Account> <http://schema.org/accessCode> "secret-456" .
 <http://example.org/Bob> <http://schema.org/name> "Bob" .
-<http://example.org/Bank> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/0.1/Organization> .
+<http://example.org/Bank> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Organization> .
 <http://example.org/Bank> <http://schema.org/name> "Bank" .
diff --git a/tests/data/type_map.nt b/tests/data/type_map.nt
index 1d39112..1ff5b7e 100644
--- a/tests/data/type_map.nt
+++ b/tests/data/type_map.nt
@@ -1,4 +1,4 @@
-<http://example.org/Alice> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/0.1/Person> .
-<http://example.org/Alice-Bank-Account> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/OnlineAccount> .
-<http://example.org/Bob> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/0.1/Person> .
-<http://example.org/Bob-Bank-Account> <http://www.w3.org/2000/01/rdf-schema#type> <http://xmlns.com/foaf/OnlineAccount> .
\ No newline at end of file
+<http://example.org/Alice> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> .
+<http://example.org/Alice-Bank-Account> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/OnlineAccount> .
+<http://example.org/Bob> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> .
+<http://example.org/Bob-Bank-Account> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/OnlineAccount> .
\ No newline at end of file