diff --git a/continuous_integration/environment-3.10-jdk11-dev.yaml b/continuous_integration/environment-3.10-jdk11-dev.yaml
index 85a25a2f7..257b33703 100644
--- a/continuous_integration/environment-3.10-jdk11-dev.yaml
+++ b/continuous_integration/environment-3.10-jdk11-dev.yaml
@@ -14,6 +14,7 @@ dependencies:
 - intake>=0.6.0
 - isort=5.7.0
 - jpype1>=1.0.2
+- jsonschema>=4.4.0
 - lightgbm>=3.2.1
 - maven>=3.6.0
 - mlflow>=1.19.0
diff --git a/continuous_integration/environment-3.10-jdk8-dev.yaml b/continuous_integration/environment-3.10-jdk8-dev.yaml
index c543f6b14..399aeb53d 100644
--- a/continuous_integration/environment-3.10-jdk8-dev.yaml
+++ b/continuous_integration/environment-3.10-jdk8-dev.yaml
@@ -14,6 +14,7 @@ dependencies:
 - intake>=0.6.0
 - isort=5.7.0
 - jpype1>=1.0.2
+- jsonschema>=4.4.0
 - lightgbm>=3.2.1
 - maven>=3.6.0
 - mlflow>=1.19.0
diff --git a/continuous_integration/environment-3.8-jdk11-dev.yaml b/continuous_integration/environment-3.8-jdk11-dev.yaml
index d77245681..03968298a 100644
--- a/continuous_integration/environment-3.8-jdk11-dev.yaml
+++ b/continuous_integration/environment-3.8-jdk11-dev.yaml
@@ -14,6 +14,7 @@ dependencies:
 - intake>=0.6.0
 - isort=5.7.0
 - jpype1>=1.0.2
+- jsonschema>=4.4.0
 - lightgbm>=3.2.1
 - maven>=3.6.0
 - mlflow>=1.19.0
diff --git a/continuous_integration/environment-3.8-jdk8-dev.yaml b/continuous_integration/environment-3.8-jdk8-dev.yaml
index 63c9528d6..46c77c06a 100644
--- a/continuous_integration/environment-3.8-jdk8-dev.yaml
+++ b/continuous_integration/environment-3.8-jdk8-dev.yaml
@@ -14,6 +14,7 @@ dependencies:
 - intake>=0.6.0
 - isort=5.7.0
 - jpype1>=1.0.2
+- jsonschema>=4.4.0
 - lightgbm>=3.2.1
 - maven>=3.6.0
 - mlflow>=1.19.0
diff --git a/continuous_integration/environment-3.9-jdk11-dev.yaml b/continuous_integration/environment-3.9-jdk11-dev.yaml
index 6923ebab8..b3b2d0fa4 100644
--- a/continuous_integration/environment-3.9-jdk11-dev.yaml
+++ b/continuous_integration/environment-3.9-jdk11-dev.yaml
@@ -14,6 +14,7 @@ dependencies:
 - intake>=0.6.0
 - isort=5.7.0
 - jpype1>=1.0.2
+- jsonschema>=4.4.0
 - lightgbm>=3.2.1
 - maven>=3.6.0
 - mlflow>=1.19.0
diff --git a/continuous_integration/environment-3.9-jdk8-dev.yaml b/continuous_integration/environment-3.9-jdk8-dev.yaml
index 4404b5f8a..7afce7d05 100644
--- a/continuous_integration/environment-3.9-jdk8-dev.yaml
+++ b/continuous_integration/environment-3.9-jdk8-dev.yaml
@@ -14,6 +14,7 @@ dependencies:
 - intake>=0.6.0
 - isort=5.7.0
 - jpype1>=1.0.2
+- jsonschema>=4.4.0
 - lightgbm>=3.2.1
 - maven>=3.6.0
 - mlflow>=1.19.0
diff --git a/dask_sql/sql-schema.yaml b/dask_sql/sql-schema.yaml
index f65e4d344..929ab1e0b 100644
--- a/dask_sql/sql-schema.yaml
+++ b/dask_sql/sql-schema.yaml
@@ -28,6 +28,6 @@ properties:
               Whether sql identifiers are considered case sensitive while parsing.
 
       predicate_pushdown:
-        type: bool
+        type: boolean
         description: |
           Whether to try pushing down filter predicates into IO (when possible).