diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index df93abc..b2455c4 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -34,17 +34,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: mypy-check
-        uses: theCapypara/mypy-check@master
+        uses: jpetrucciani/mypy-check@master
         with:
-          path: ""
-          requirements: types-toml
-          mypy_flags: "-p celestial --config setup.cfg"
-      - name: mypy-check2
-        uses: theCapypara/mypy-check@master
-        with:
-          requirements: types-toml numpy types-request mypy-protobuf
+          requirements: "types-toml numpy types-requests mypy-protobuf"
           path: "*.py"
           mypy_flags: "--config setup.cfg"
 
@@ -52,16 +46,21 @@ jobs:
     name: go
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: '1.21'
+          cache: false
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v2
+        uses: golangci/golangci-lint-action@v4
         with:
           version: latest
+          args: --out-format=colored-line-number
 
   markdown:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: markdownlint-cli
         uses: nosborn/github-action-markdown-cli@v3.3.0
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8aa5fb0..c9d179e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -18,7 +18,6 @@
 name: goreleaser
 
 on:
-  pull_request:
   push:
     tags:
       - "*"
@@ -28,13 +27,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
-      - name: Set up Go
-        uses: actions/setup-go@v4
+      - uses: actions/setup-go@v5
         with:
-          go-version: "1.21"
+          go-version: '1.21'
+          cache: false
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v5
         with:
diff --git a/.goreleaser.yml b/.goreleaser.yml
index 2bb98c1..abe62e8 100644
--- a/.goreleaser.yml
+++ b/.goreleaser.yml
@@ -16,4 +16,10 @@
 #
 
 builds:
-  - skip: true
+  - id: "celestial.bin"
+    main: ./celestial.go
+    binary: celestial.bin
+    goos:
+      - linux
+    goarch:
+      - amd64
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 5074a8e..7ea4afb 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -5,5 +5,6 @@
     "go.toolsEnvVars": {
         "GOOS": "linux",
         "GOARCH": "amd64"
-    }
+    },
+    "mypy.runUsingActiveInterpreter": true
 }
\ No newline at end of file
diff --git a/celestial.py b/celestial.py
index 5ed318f..3b30d00 100644
--- a/celestial.py
+++ b/celestial.py
@@ -145,7 +145,7 @@ def get_diff(
     ) -> typing.List[proto.celestial.celestial_pb2.StateUpdateRequest]:
         # we get iterators of the deserialized diffs
         t1 = time.perf_counter()
-        l = [
+        s = [
             *celestial.proto_util.make_update_request_iter(
                 serializer.diff_machines(t), serializer.diff_links(t)
             )
@@ -153,7 +153,7 @@ def get_diff(
 
         logging.debug(f"diffs took {time.perf_counter() - t1} seconds")
 
-        return l
+        return s
 
     # start the simulation
     timestep: celestial.types.timestamp_s = 0
@@ -171,9 +171,9 @@ def get_diff(
             logging.info(f"Updating for timestep {timestep}")
 
             with concurrent.futures.ThreadPoolExecutor() as e:
-                for h in range(len(hosts)):
+                for i in range(len(hosts)):
                     # need to make some generators
-                    e.submit(hosts[h].update, (u for u in updates))
+                    e.submit(hosts[i].update, (u for u in updates))
 
             timestep += config.resolution
 
@@ -194,8 +194,8 @@ def get_diff(
     finally:
         logging.info("got keyboard interrupt, stopping...")
         with concurrent.futures.ThreadPoolExecutor() as e:
-            for h in range(len(hosts)):
+            for i in range(len(hosts)):
                 # need to make some generators
-                e.submit(hosts[h].stop)
+                e.submit(hosts[i].stop)
 
         logging.info("finished")
diff --git a/celestial/host.py b/celestial/host.py
index 76fddc7..fda1118 100644
--- a/celestial/host.py
+++ b/celestial/host.py
@@ -54,7 +54,9 @@ def register(self) -> proto.celestial.celestial_pb2.RegisterResponse:
         """
         request = proto.celestial.celestial_pb2.RegisterRequest(host=self.num)
 
-        response = self.stub.Register(request)
+        response: proto.celestial.celestial_pb2.RegisterResponse = self.stub.Register(
+            request
+        )
 
         # others currently not used
         self.peer_public_key = response.peer_public_key
diff --git a/celestial/proto_util.py b/celestial/proto_util.py
index 504b0d8..bbb7e34 100644
--- a/celestial/proto_util.py
+++ b/celestial/proto_util.py
@@ -30,6 +30,14 @@
 MAX_DIFF_UPDATE_SIZE = 100_000
 
 
+def _machineID_group(m: celestial.types.MachineID_dtype) -> int:
+    return typing.cast(int, celestial.types.MachineID_group(m))
+
+
+def _machineID_id(m: celestial.types.MachineID_dtype) -> int:
+    return typing.cast(int, celestial.types.MachineID_id(m))
+
+
 def make_init_request(
     hosts: typing.List[celestial.host.Host],
     machines: typing.Dict[
@@ -53,8 +61,8 @@ def make_init_request(
 
         for m in machines[h.num]:
             mid = proto.celestial.celestial_pb2.MachineID(
-                group=celestial.types.MachineID_group(m[0]),
-                id=celestial.types.MachineID_id(m[0]),
+                group=_machineID_group(m[0]),
+                id=_machineID_id(m[0]),
             )
 
             mc = proto.celestial.celestial_pb2.InitRequest.Machine.MachineConfig(
@@ -66,19 +74,22 @@ def make_init_request(
                 boot_parameters=m[1].boot_parameters,
             )
 
-            m = proto.celestial.celestial_pb2.InitRequest.Machine(
+            r = proto.celestial.celestial_pb2.InitRequest.Machine(
                 id=mid,
                 config=mc,
                 host=h.num,
                 name=celestial.types.MachineID_name(m[0]),
             )
 
-            init_request.machines.append(m)
+            init_request.machines.append(r)
 
     return init_request
 
 
-def _islice(iterable: typing.Iterator, n: int) -> typing.Iterator:
+T = typing.TypeVar("T")
+
+
+def _islice(iterable: typing.Iterator[T], n: int) -> typing.Iterator[T]:
     count = 0
 
     for i in iterable:
@@ -114,8 +125,8 @@ def make_update_request_iter(
         machine_diffs=[
             proto.celestial.celestial_pb2.StateUpdateRequest.MachineDiff(
                 id=proto.celestial.celestial_pb2.MachineID(
-                    group=celestial.types.MachineID_group(m_id),
-                    id=celestial.types.MachineID_id(m_id),
+                    group=_machineID_group(m_id),
+                    id=_machineID_id(m_id),
                 ),
                 active=proto.celestial.celestial_pb2.VM_STATE_STOPPED
                 if m_state == celestial.types.VMState.STOPPED
@@ -131,42 +142,36 @@ def make_update_request_iter(
                 network_diffs=[
                     proto.celestial.celestial_pb2.StateUpdateRequest.NetworkDiff(
                         source=proto.celestial.celestial_pb2.MachineID(
-                            group=celestial.types.MachineID_group(source),
-                            id=celestial.types.MachineID_id(source),
+                            group=_machineID_group(source),
+                            id=_machineID_id(source),
                         ),
                         target=proto.celestial.celestial_pb2.MachineID(
-                            group=celestial.types.MachineID_group(target),
-                            id=celestial.types.MachineID_id(target),
+                            group=_machineID_group(target),
+                            id=_machineID_id(target),
+                        ),
+                        latency=typing.cast(int, celestial.types.Link_latency_us(link)),
+                        bandwidth=typing.cast(
+                            int, celestial.types.Link_bandwidth_kbits(link)
                         ),
-                        latency=celestial.types.Link_latency_us(link),
-                        bandwidth=celestial.types.Link_bandwidth_kbits(link),
                         blocked=False,
                         next=proto.celestial.celestial_pb2.MachineID(
-                            group=celestial.types.MachineID_group(
-                                celestial.types.Link_next_hop(link)
-                            ),
-                            id=celestial.types.MachineID_id(
-                                celestial.types.Link_next_hop(link)
-                            ),
+                            group=_machineID_group(celestial.types.Link_next_hop(link)),
+                            id=_machineID_id(celestial.types.Link_next_hop(link)),
                         ),
                         prev=proto.celestial.celestial_pb2.MachineID(
-                            group=celestial.types.MachineID_group(
-                                celestial.types.Link_prev_hop(link)
-                            ),
-                            id=celestial.types.MachineID_id(
-                                celestial.types.Link_prev_hop(link)
-                            ),
+                            group=_machineID_group(celestial.types.Link_prev_hop(link)),
+                            id=_machineID_id(celestial.types.Link_prev_hop(link)),
                         ),
                     )
                     if not celestial.types.Link_blocked(link)
                     else proto.celestial.celestial_pb2.StateUpdateRequest.NetworkDiff(
                         source=proto.celestial.celestial_pb2.MachineID(
-                            group=celestial.types.MachineID_group(source),
-                            id=celestial.types.MachineID_id(source),
+                            group=_machineID_group(source),
+                            id=_machineID_id(source),
                         ),
                         target=proto.celestial.celestial_pb2.MachineID(
-                            group=celestial.types.MachineID_group(target),
-                            id=celestial.types.MachineID_id(target),
+                            group=_machineID_group(target),
+                            id=_machineID_id(target),
                         ),
                         blocked=True,
                     )
diff --git a/celestial/satgen.py b/celestial/satgen_connstellation.py
similarity index 100%
rename from celestial/satgen.py
rename to celestial/satgen_connstellation.py
diff --git a/celestial/shell.py b/celestial/shell.py
index 4f01494..bffc263 100644
--- a/celestial/shell.py
+++ b/celestial/shell.py
@@ -543,7 +543,7 @@ def _init_ground_stations(
             )
             init_pos[2] = (EARTH_RADIUS_M + 100.0) * math.sin(latitude)
 
-            temp: npt.NDArray[GROUNDPOINT_DTYPE] = np.zeros(1, dtype=GROUNDPOINT_DTYPE)
+            temp: npt.NDArray = np.zeros(1, dtype=GROUNDPOINT_DTYPE)  # type: ignore
 
             temp[0]["ID"] = np.int16(-i - 1)
 
diff --git a/pkg/ebpfem/ebpfem_test.go b/pkg/ebpfem/ebpfem_test.go
index 65822a4..4b43577 100644
--- a/pkg/ebpfem/ebpfem_test.go
+++ b/pkg/ebpfem/ebpfem_test.go
@@ -65,6 +65,7 @@ func TestBasic(t *testing.T) {
 
 	if _, err := cmd.CombinedOutput(); err != nil {
 		// ignore
+		log.Debugf("could not delete tap %s: %s", tap, err)
 	}
 
 	// iptables -D FORWARD -i [TAP_NAME] -o [HOSTINTERFACE] -j ACCEPT
@@ -73,6 +74,7 @@ func TestBasic(t *testing.T) {
 
 	if _, err := cmd.CombinedOutput(); err != nil {
 		// ignore
+		log.Debugf("could not delete iptables rule: %s", err)
 	}
 
 	// create a tap device
diff --git a/pkg/peer/peer.go b/pkg/peer/peer.go
index 85559d1..6f9e972 100644
--- a/pkg/peer/peer.go
+++ b/pkg/peer/peer.go
@@ -241,6 +241,10 @@ func (p *PeeringService) InitPeering(remotes map[orchestrator.Host]HostInfo) err
 
 		portNum, err := strconv.ParseUint(port, 10, 16)
 
+		if err != nil {
+			return errors.WithStack(err)
+		}
+
 		r := &peer{
 			directAddr:  net.ParseIP(addr),
 			wgAddr:      remoteWgAddr,
diff --git a/pkg/virt/machine.go b/pkg/virt/machine.go
index 18405ea..9e59eef 100644
--- a/pkg/virt/machine.go
+++ b/pkg/virt/machine.go
@@ -149,7 +149,7 @@ func (m *machine) initialize() error {
 		return errors.WithStack(err)
 	}
 
-	loglevel := "ERROR"
+	var loglevel string
 
 	// unfortunately Firecracker is incredibly verbose
 	switch log.GetLevel() {
diff --git a/pkg/virt/net.go b/pkg/virt/net.go
index 71dcbb5..0244ff0 100644
--- a/pkg/virt/net.go
+++ b/pkg/virt/net.go
@@ -104,7 +104,7 @@ func removeNetworkDevice(tapName string, hostInterface string) error {
 }
 
 // createNetworkDevice creates a new network device for a microVM.
-func createNetworkDevice(gateway net.IPNet, tapName string, hostInterface string) error {
+func createNetworkDevice(gateway net.IPNet, tapName string, _ string) error {
 
 	// ip tuntap add [TAP_NAME] mode tap
 
diff --git a/requirements.txt b/requirements.txt
index 28183f2..63bbfcf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ cerberus==1.3.5
 grpcio==1.59.0
 grpcio-tools==1.59.0
 llvmlite==0.41.1
-mypy==1.6.1
+mypy==1.9.0
 mypy-protobuf==3.5.0
 numba==0.58.1
 numpy==1.26.1
diff --git a/satgen.py b/satgen.py
index 49de381..0990c11 100644
--- a/satgen.py
+++ b/satgen.py
@@ -53,7 +53,7 @@
 
 import celestial.config
 import celestial.zip_serializer
-import celestial.satgen
+import celestial.satgen_connstellation
 
 if __name__ == "__main__":
     if len(sys.argv) > 3 or len(sys.argv) < 2:
@@ -77,7 +77,9 @@
     serializer = celestial.zip_serializer.ZipSerializer(config, output_file)
 
     # init the constellation
-    constellation = celestial.satgen.SatgenConstellation(config, serializer)
+    constellation = celestial.satgen_connstellation.SatgenConstellation(
+        config, serializer
+    )
 
     # run the simulation
     i = 0
diff --git a/setup.cfg b/setup.cfg
index 07d9953..8c3a88b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -2,18 +2,12 @@
 python_version = 3.11
 warn_unused_configs = True
 disallow_any_generics = True
-disallow_subclassing_any = True
 disallow_untyped_calls = True
 disallow_untyped_defs = True
 disallow_incomplete_defs = True
 check_untyped_defs = True
-disallow_untyped_decorators = True
-no_implicit_optional = True
-warn_redundant_casts = True
 warn_return_any = True
-no_implicit_reexport = True
 strict_equality = True
 ignore_missing_imports = True
 show_column_numbers = True
-follow_imports = skip
 plugins = numpy.typing.mypy_plugin