diff --git a/pyproject.toml b/pyproject.toml
index 92066efa0390197737452ec4f5a2ab6634ca1de1..2e33e1155b145f91ac8d0dc867170ae0ddc79989 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ build-backend = "poetry.core.masonry.api"
 python = "^3.7.0"
 graphql-core = "^3.1.2"
 websocket-client = "^1.1.0"
-jsonschema = "^3.2.0"
+jsonschema = "^4.5.0"
 pypeg2 = "^2.15.2"
 attrs = "^21.2.0"
 base58 = "^2.1.0"
@@ -38,11 +38,11 @@ pyaes = "^1.6.1"
 mnemonic = "^0.19"
 
 [tool.poetry.dev-dependencies]
-pytest = "^6.2.5"
-pytest-cov = "^2.12.0"
+pytest = "^7.1.2"
+pytest-cov = "^3.0.0"
 pytest-sugar = "^0.9.4"
 sphinx = "^4.3.0"
-sphinx_rtd_theme = "^0.5.0"
+sphinx_rtd_theme = "^1.0.0"
 
 [tool.isort]
 profile = "black"