diff --git a/javascript/ql/lib/semmle/javascript/security/CryptoAlgorithms.qll b/javascript/ql/lib/semmle/javascript/security/CryptoAlgorithms.qll
index d9f25b42c9a3..a5bfd6696be1 100644
--- a/javascript/ql/lib/semmle/javascript/security/CryptoAlgorithms.qll
+++ b/javascript/ql/lib/semmle/javascript/security/CryptoAlgorithms.qll
@@ -28,7 +28,11 @@ private module AlgorithmNames {
     name = "SHA256" or
     name = "SHA384" or
     name = "SHA512" or
-    name = "SHA3"
+    name = "SHA3" or
+    name = "SHA3224" or
+    name = "SHA3256" or
+    name = "SHA3384" or
+    name = "SHA3512"
   }
 
   predicate isWeakHashingAlgorithm(string name) {
diff --git a/python/ql/lib/semmle/python/concepts/CryptoAlgorithms.qll b/python/ql/lib/semmle/python/concepts/CryptoAlgorithms.qll
index d9f25b42c9a3..a5bfd6696be1 100644
--- a/python/ql/lib/semmle/python/concepts/CryptoAlgorithms.qll
+++ b/python/ql/lib/semmle/python/concepts/CryptoAlgorithms.qll
@@ -28,7 +28,11 @@ private module AlgorithmNames {
     name = "SHA256" or
     name = "SHA384" or
     name = "SHA512" or
-    name = "SHA3"
+    name = "SHA3" or
+    name = "SHA3224" or
+    name = "SHA3256" or
+    name = "SHA3384" or
+    name = "SHA3512"
   }
 
   predicate isWeakHashingAlgorithm(string name) {
diff --git a/python/ql/test/library-tests/frameworks/crypto/test_sha3.py b/python/ql/test/library-tests/frameworks/crypto/test_sha3.py
new file mode 100644
index 000000000000..426d0266fc4f
--- /dev/null
+++ b/python/ql/test/library-tests/frameworks/crypto/test_sha3.py
@@ -0,0 +1,10 @@
+from Crypto.Hash import SHA3_224
+
+hasher = SHA3_224.new(b"secret message") # $ CryptographicOperation CryptographicOperationInput=b"secret message" CryptographicOperationAlgorithm=SHA3224
+print(hasher.hexdigest())
+
+
+hasher = SHA3_224.new() # $ CryptographicOperation CryptographicOperationAlgorithm=SHA3224
+hasher.update(b"secret") # $ CryptographicOperation CryptographicOperationInput=b"secret" CryptographicOperationAlgorithm=SHA3224
+hasher.update(b" message") # $ CryptographicOperation CryptographicOperationInput=b" message" CryptographicOperationAlgorithm=SHA3224
+print(hasher.hexdigest())
diff --git a/python/ql/test/library-tests/frameworks/cryptodome/test_sha3.py b/python/ql/test/library-tests/frameworks/cryptodome/test_sha3.py
new file mode 100644
index 000000000000..2329fd7e1c02
--- /dev/null
+++ b/python/ql/test/library-tests/frameworks/cryptodome/test_sha3.py
@@ -0,0 +1,10 @@
+from Cryptodome.Hash import SHA3_224
+
+hasher = SHA3_224.new(b"secret message") # $ CryptographicOperation CryptographicOperationInput=b"secret message" CryptographicOperationAlgorithm=SHA3224
+print(hasher.hexdigest())
+
+
+hasher = SHA3_224.new() # $ CryptographicOperation CryptographicOperationAlgorithm=SHA3224
+hasher.update(b"secret") # $ CryptographicOperation CryptographicOperationInput=b"secret" CryptographicOperationAlgorithm=SHA3224
+hasher.update(b" message") # $ CryptographicOperation CryptographicOperationInput=b" message" CryptographicOperationAlgorithm=SHA3224
+print(hasher.hexdigest())