diff --git a/contributions/CONTRIBUTIONS.md b/contributions/CONTRIBUTIONS.md
index 3980247..e81bf99 100644
--- a/contributions/CONTRIBUTIONS.md
+++ b/contributions/CONTRIBUTIONS.md
@@ -48,9 +48,10 @@ census_tarabukinivan.zkey:d1b98bf0f68cb3684d619f59e987f8bc55d214bc98bd171b53a1e6
 census_ivangrapher.zkey:a3b993851820fd43d6e837ff42e742b0c70d3675fd8bef20e434c83888dbc29abfd2f8828c48c9ecf5977f030bbaf05c94c2d6fdd3c7104e957dc20a8e23b1c1
 census_nadyacoin.zkey:40b037af4bace8f1a7db55b23a0bc5b7f1dfc07a594ca102bdb79b3ff74c715c28ff5b23d04e08f8ac82ec2554aed4738d16379a91a77714fe7c9716438faea6
 census_tarabukinivanhome.zkey:94e837626bcdeb8aa6c6199b1c1e69c8dd0ea8d2b523129a829f1f4c0e816075720014f2133249bc8334a2fa609c1c45dad7e82c31719d6867b25dc8172722fc
+census_Chekur-1980.zkey:fa88aea4566854aa3f163b8b305fe34e0a9d68c445a8239ee0176495db3b9b97bea20b4feab3048e56998fdc0cd8c03c8a020e2a7ea68b501019a1ca67d517d8
 ```
 
 ### Last contribution
 ```
-census_tarabukinivanhome.zkey:94e837626bcdeb8aa6c6199b1c1e69c8dd0ea8d2b523129a829f1f4c0e816075720014f2133249bc8334a2fa609c1c45dad7e82c31719d6867b25dc8172722fc
+census_Chekur-1980.zkey:fa88aea4566854aa3f163b8b305fe34e0a9d68c445a8239ee0176495db3b9b97bea20b4feab3048e56998fdc0cd8c03c8a020e2a7ea68b501019a1ca67d517d8
 ```
diff --git a/contributions/census_Chekur-1980.zkey b/contributions/census_Chekur-1980.zkey
new file mode 100644
index 0000000..358dc94
--- /dev/null
+++ b/contributions/census_Chekur-1980.zkey
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f11e75f0d53ff3fa3de14f6108487f35a5cd47e98fbe9b452d0454f76539b7ef
+size 55254728