diff --git a/tests/data/azuread.xml b/tests/data/azuread.xml
new file mode 100644
index 0000000..a728f3f
--- /dev/null
+++ b/tests/data/azuread.xml
@@ -0,0 +1,66 @@
+<?xml version="1.0"?>
+<samlp:Response xmlns:samlp="urn:oasis:names:tc:SAML:2.0:protocol" ID="_12f15ff8-3daa-4f34-a16a-381c26ed5293" Version="2.0" IssueInstant="2023-05-09T06:23:21.693Z" Destination="https://v1.beta.ja-sore.de/auth/page/saml2/login" InResponseTo="id8b307ef55396db3b83ac19a7234d6435">
+  <Issuer xmlns="urn:oasis:names:tc:SAML:2.0:assertion">https://sts.windows.net/b0a63ade-3ec7-4d8b-991f-87eb4336274a/</Issuer>
+  <samlp:Status>
+    <samlp:StatusCode Value="urn:oasis:names:tc:SAML:2.0:status:Success"/>
+  </samlp:Status>
+  <Assertion xmlns="urn:oasis:names:tc:SAML:2.0:assertion" ID="_fdba0daa-eae2-4fc5-a138-33cebf4d7700" IssueInstant="2023-05-09T06:23:21.687Z" Version="2.0">
+    <Issuer>https://sts.windows.net/b0a63ade-3ec7-4d8b-991f-87eb4336274a/</Issuer>
+    <Signature xmlns="http://www.w3.org/2000/09/xmldsig#">
+      <SignedInfo>
+        <CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/>
+        <SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"/>
+        <Reference URI="#_fdba0daa-eae2-4fc5-a138-33cebf4d7700">
+          <Transforms>
+            <Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/>
+            <Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/>
+          </Transforms>
+          <DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
+          <DigestValue>OdFOUv9jMt2xQrzm4eUoM6cGT2bKiiPoyzGkUbyrnBo=</DigestValue>
+        </Reference>
+      </SignedInfo>
+      <SignatureValue>NZVV2f8sIhwJ8f+79B5KT1Q4lzHDm2aAU3nXI0eR/eeg1rCSXP//1nIS6HinDjrBEKQweQnegzNgrv+1P2am9XKZiaRSavLkmf7Y/rbWBDm+NEzieFrDM4u6HXNLzWFnz3rxGy0SFKwyHIo9j5LG9xVvCANtPpqalYg4XofndQXw9BmVgVxijw+3Qgq/uye0ymPH3/7wLk1NMxf1/NgI+0q+xh0Zq52odJhlB6BU2qhSN6GdPcbmnK1R9lwBF/FynTCq5S9t16FI0mmX1ro5YRNc+Hyf4lrbbCPcCN38P1URZvm6aTGGHAkq75aftuvM7aGew5AkGvG/6mXphX972Q==</SignatureValue>
+      <KeyInfo>
+        <X509Data>
+          <X509Certificate>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</X509Certificate>
+        </X509Data>
+      </KeyInfo>
+    </Signature>
+    <Subject>
+      <NameID Format="urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress">fumieval@herpdev.onmicrosoft.com</NameID>
+      <SubjectConfirmation Method="urn:oasis:names:tc:SAML:2.0:cm:bearer">
+        <SubjectConfirmationData InResponseTo="id8b307ef55396db3b83ac19a7234d6435" NotOnOrAfter="2023-05-09T07:23:21.538Z" Recipient="https://v1.beta.ja-sore.de/auth/page/saml2/login"/>
+      </SubjectConfirmation>
+    </Subject>
+    <Conditions NotBefore="2023-05-09T06:18:21.538Z" NotOnOrAfter="2023-05-09T07:23:21.538Z">
+      <AudienceRestriction>
+        <Audience>https://v1.beta.ja-sore.de/</Audience>
+      </AudienceRestriction>
+    </Conditions>
+    <AttributeStatement>
+      <Attribute Name="http://schemas.microsoft.com/identity/claims/tenantid">
+        <AttributeValue>b0a63ade-3ec7-4d8b-991f-87eb4336274a</AttributeValue>
+      </Attribute>
+      <Attribute Name="http://schemas.microsoft.com/identity/claims/objectidentifier">
+        <AttributeValue>552200d7-3516-4d81-8ea1-a87b429f07ef</AttributeValue>
+      </Attribute>
+      <Attribute Name="http://schemas.microsoft.com/identity/claims/displayname">
+        <AttributeValue>fumieval</AttributeValue>
+      </Attribute>
+      <Attribute Name="http://schemas.microsoft.com/identity/claims/identityprovider">
+        <AttributeValue>https://sts.windows.net/b0a63ade-3ec7-4d8b-991f-87eb4336274a/</AttributeValue>
+      </Attribute>
+      <Attribute Name="http://schemas.microsoft.com/claims/authnmethodsreferences">
+        <AttributeValue>http://schemas.microsoft.com/ws/2008/06/identity/authenticationmethod/password</AttributeValue>
+      </Attribute>
+      <Attribute Name="http://schemas.xmlsoap.org/ws/2005/05/identity/claims/name">
+        <AttributeValue>fumieval@herpdev.onmicrosoft.com</AttributeValue>
+      </Attribute>
+    </AttributeStatement>
+    <AuthnStatement AuthnInstant="2023-05-09T06:21:17.599Z" SessionIndex="_fdba0daa-eae2-4fc5-a138-33cebf4d7700">
+      <AuthnContext>
+        <AuthnContextClassRef>urn:oasis:names:tc:SAML:2.0:ac:classes:Password</AuthnContextClassRef>
+      </AuthnContext>
+    </AuthnStatement>
+  </Assertion>
+</samlp:Response>
diff --git a/tests/data/azuread.xml.expected b/tests/data/azuread.xml.expected
new file mode 100644
index 0000000..6caa1aa
--- /dev/null
+++ b/tests/data/azuread.xml.expected
@@ -0,0 +1,123 @@
+Response
+  { responseDestination =
+      "https://v1.beta.ja-sore.de/auth/page/saml2/login"
+  , responseInResponseTo = Just "id8b307ef55396db3b83ac19a7234d6435"
+  , responseId = "_12f15ff8-3daa-4f34-a16a-381c26ed5293"
+  , responseIssueInstant = 2023-05-09 06:23:21.693 UTC
+  , responseVersion = "2.0"
+  , responseIssuer =
+      "https://sts.windows.net/b0a63ade-3ec7-4d8b-991f-87eb4336274a/"
+  , responseStatusCode =
+      MkStatusCode
+        { statusCodeValue = Success , statusCodeSubordinate = Nothing }
+  , responseSignature = Nothing
+  , responseAssertion =
+      Just
+        Assertion
+          { assertionId = "_fdba0daa-eae2-4fc5-a138-33cebf4d7700"
+          , assertionIssued = 2023-05-09 06:23:21.687 UTC
+          , assertionIssuer =
+              "https://sts.windows.net/b0a63ade-3ec7-4d8b-991f-87eb4336274a/"
+          , assertionSubject =
+              Subject
+                { subjectConfirmations =
+                    [ SubjectConfirmation
+                        { subjectConfirmationMethod = Bearer
+                        , subjectConfirmationAddress = ""
+                        , subjectConfirmationNotOnOrAfter = 2023-05-09 07:23:21.538 UTC
+                        , subjectConfirmationRecipient =
+                            "https://v1.beta.ja-sore.de/auth/page/saml2/login"
+                        }
+                    ]
+                , subjectNameID =
+                    NameID
+                      { nameIDQualifier = Nothing
+                      , nameIDSPNameQualifier = Nothing
+                      , nameIDSPProvidedID = Nothing
+                      , nameIDFormat = Just EmailAddress
+                      , nameIDValue = "fumieval@herpdev.onmicrosoft.com"
+                      }
+                }
+          , assertionConditions =
+              Conditions
+                { conditionsNotBefore = 2023-05-09 06:18:21.538 UTC
+                , conditionsNotOnOrAfter = 2023-05-09 07:23:21.538 UTC
+                , conditionsAudienceRestrictions =
+                    [ AudienceRestriction
+                        { audienceRestrictionAudience = [ "https://v1.beta.ja-sore.de/" ] }
+                    ]
+                }
+          , assertionAuthnStatement =
+              AuthnStatement
+                { authnStatementInstant = 2023-05-09 06:21:17.599 UTC
+                , authnStatementSessionIndex =
+                    "_fdba0daa-eae2-4fc5-a138-33cebf4d7700"
+                , authnStatementLocality = ""
+                }
+          , assertionAttributeStatement =
+              [ AssertionAttribute
+                  { attributeName =
+                      "http://schemas.microsoft.com/identity/claims/tenantid"
+                  , attributeFriendlyName = Nothing
+                  , attributeNameFormat = ""
+                  , attributeValue = "b0a63ade-3ec7-4d8b-991f-87eb4336274a"
+                  }
+              , AssertionAttribute
+                  { attributeName =
+                      "http://schemas.microsoft.com/identity/claims/objectidentifier"
+                  , attributeFriendlyName = Nothing
+                  , attributeNameFormat = ""
+                  , attributeValue = "552200d7-3516-4d81-8ea1-a87b429f07ef"
+                  }
+              , AssertionAttribute
+                  { attributeName =
+                      "http://schemas.microsoft.com/identity/claims/displayname"
+                  , attributeFriendlyName = Nothing
+                  , attributeNameFormat = ""
+                  , attributeValue = "fumieval"
+                  }
+              , AssertionAttribute
+                  { attributeName =
+                      "http://schemas.microsoft.com/identity/claims/identityprovider"
+                  , attributeFriendlyName = Nothing
+                  , attributeNameFormat = ""
+                  , attributeValue =
+                      "https://sts.windows.net/b0a63ade-3ec7-4d8b-991f-87eb4336274a/"
+                  }
+              , AssertionAttribute
+                  { attributeName =
+                      "http://schemas.microsoft.com/claims/authnmethodsreferences"
+                  , attributeFriendlyName = Nothing
+                  , attributeNameFormat = ""
+                  , attributeValue =
+                      "http://schemas.microsoft.com/ws/2008/06/identity/authenticationmethod/password"
+                  }
+              , AssertionAttribute
+                  { attributeName =
+                      "http://schemas.xmlsoap.org/ws/2005/05/identity/claims/name"
+                  , attributeFriendlyName = Nothing
+                  , attributeNameFormat = ""
+                  , attributeValue = "fumieval@herpdev.onmicrosoft.com"
+                  }
+              ]
+          , assertionSignature =
+              Just
+                Signature
+                  { signatureInfo =
+                      SignedInfo
+                        { signedInfoCanonicalisationMethod = C14N_EXC_1_0
+                        , signedInfoSignatureMethod = RSA_SHA256
+                        , signedInfoReference =
+                            Reference
+                              { referenceURI = "_fdba0daa-eae2-4fc5-a138-33cebf4d7700"
+                              , referenceDigestMethod = DigestSHA256
+                              , referenceDigestValue =
+                                  "OdFOUv9jMt2xQrzm4eUoM6cGT2bKiiPoyzGkUbyrnBo="
+                              }
+                        }
+                  , signatureValue =
+                      "NZVV2f8sIhwJ8f+79B5KT1Q4lzHDm2aAU3nXI0eR/eeg1rCSXP//1nIS6HinDjrBEKQweQnegzNgrv+1P2am9XKZiaRSavLkmf7Y/rbWBDm+NEzieFrDM4u6HXNLzWFnz3rxGy0SFKwyHIo9j5LG9xVvCANtPpqalYg4XofndQXw9BmVgVxijw+3Qgq/uye0ymPH3/7wLk1NMxf1/NgI+0q+xh0Zq52odJhlB6BU2qhSN6GdPcbmnK1R9lwBF/FynTCq5S9t16FI0mmX1ro5YRNc+Hyf4lrbbCPcCN38P1URZvm6aTGGHAkq75aftuvM7aGew5AkGvG/6mXphX972Q=="
+                  }
+          }
+  , responseEncryptedAssertion = Nothing
+  }
\ No newline at end of file
diff --git a/tests/parser.hs b/tests/parser.hs
index 215c307..c0f79b1 100644
--- a/tests/parser.hs
+++ b/tests/parser.hs
@@ -23,6 +23,7 @@ main = defaultMain $ testGroup "Parse SAML2 response"
     [ mkGolden @Response $ prefix </> "keycloak.xml"
     , mkGolden @Response $ prefix </> "okta.xml"
     , mkGolden @Response $ prefix </> "google.xml"
+    , mkGolden @Response $ prefix </> "azuread.xml"
     , mkGolden @IDPSSODescriptor $ prefix </> "metadata/keycloak.xml"
     , mkGolden @IDPSSODescriptor $ prefix </> "metadata/google.xml"
     ]
diff --git a/wai-saml2.cabal b/wai-saml2.cabal
index 07c9129..b617cea 100644
--- a/wai-saml2.cabal
+++ b/wai-saml2.cabal
@@ -20,6 +20,8 @@ build-type:     Simple
 extra-source-files:
     README.md
     CHANGELOG.md
+    tests/data/azuread.xml
+    tests/data/azuread.xml.expected
     tests/data/google.xml
     tests/data/google.xml.expected
     tests/data/keycloak.xml