diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 27bfe3e..e542976 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -74,7 +74,7 @@ jobs:
     - name: Build extension package
       run: |
         make -j8 PYTHON=$EDBDIR/python3 EDBFLAGS=--no-devmode PG_CONFIG=/usr/bin/pg_config
-        unzip -l postgis--3.4.2.zip
+        unzip -l postgis--3.4.3.zip
 
     - name: Install extension package
       run: |
diff --git a/MANIFEST.toml b/MANIFEST.toml
index be9f63d..fdfb3e9 100644
--- a/MANIFEST.toml
+++ b/MANIFEST.toml
@@ -1,4 +1,4 @@
 name = "postgis"
-version = "3.4.2"
+version = "3.4.3"
 files = ["postgis.edgeql"]
 postgres_files = "pg"
diff --git a/README.md b/README.md
index 8be8c01..4d8c058 100644
--- a/README.md
+++ b/README.md
@@ -5,5 +5,5 @@ from inside an edgedb development venv.
 
 To build, install, and test into a dev env:
 - ``make``
-- ``edb load-ext postgis--3.4.2.zip``
+- ``edb load-ext postgis--3.4.3.zip``
 - ``edb test tests/test_edgeql_postgis.py``
diff --git a/postgis b/postgis
index c19ce56..e365945 160000
--- a/postgis
+++ b/postgis
@@ -1 +1 @@
-Subproject commit c19ce56ca8982635026ba605f5b2fdce3622bb4a
+Subproject commit e36594574671877ca6178c944e6d430f87f310bf
diff --git a/postgis.edgeql b/postgis.edgeql
index eb9f099..7defcc3 100644
--- a/postgis.edgeql
+++ b/postgis.edgeql
@@ -17,9 +17,9 @@
 #
 
 
-create extension package postgis version '3.4.2' {
+create extension package postgis version '3.4.3' {
     set ext_module := "ext::postgis";
-    set sql_extensions := ["postgis >=3.4.2,<4.0.0"];
+    set sql_extensions := ["postgis >=3.4.0,<4.0.0"];
 
     set sql_setup_script := $$
         -- Make it possible to have `!=`, `?!=`, and `not in` for geometry
@@ -3739,4 +3739,4 @@ create extension package postgis version '3.4.2' {
         using sql function 'st_coverageunion';
     };
 
-};
\ No newline at end of file
+};
diff --git a/scripts/gen_ext_postgis.py b/scripts/gen_ext_postgis.py
index e341e7d..f3a0a08 100644
--- a/scripts/gen_ext_postgis.py
+++ b/scripts/gen_ext_postgis.py
@@ -403,7 +403,7 @@ def parse_postgis_extension(
     for fpath in root.glob('postgis*.sql'):
         name = fpath.name
         # We might scan more postgis extension files
-        if name in {'postgis--3.4.2.sql'}:
+        if name in {'postgis--3.4.3.sql'}:
             with open(fpath, mode='rt') as f:
                 sql_query = ''.join(
                     line for line in f.readlines()
diff --git a/scripts/postgis.template.edgeql b/scripts/postgis.template.edgeql
index 3555381..3db9438 100644
--- a/scripts/postgis.template.edgeql
+++ b/scripts/postgis.template.edgeql
@@ -17,9 +17,9 @@
 #
 
 
-create extension package postgis version '3.4.2' {
+create extension package postgis version '3.4.3' {
     set ext_module := "ext::postgis";
-    set sql_extensions := ["postgis >=3.4.2,<4.0.0"];
+    set sql_extensions := ["postgis >=3.4.3,<4.0.0"];
 
     set sql_setup_script := $$
         -- Make it possible to have `!=`, `?!=`, and `not in` for geometry
@@ -295,4 +295,4 @@ create extension package postgis version '3.4.2' {
 ### REFLECT: FUNCTIONS
 
 ### REFLECT: AGGREGATES
-};
\ No newline at end of file
+};
diff --git a/tests/test_edgeql_postgis.py b/tests/test_edgeql_postgis.py
index df11faf..3878b50 100644
--- a/tests/test_edgeql_postgis.py
+++ b/tests/test_edgeql_postgis.py
@@ -124,7 +124,7 @@ def get_setup_script(cls):
             with open(os.path.join(root, 'edb/lib/ext/postgis.edgeql')) as f:
                 contents = f.read()
             to_add = '''
-                drop extension package postgis version '3.4.2';
+                drop extension package postgis version '3.4.3';
             ''' + contents
             splice = '__internal_testmode := true;'
             res = res.replace(splice, splice + to_add)