diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 4445fd3..e752c8b 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -124,7 +124,7 @@ jobs:
       - name: Setup Spin
         uses: fermyon/actions/spin/setup@v1
         with:
-          version: "v3.6.1"
+          version: "v4.0.0"
 
       - name: Run Tests
         run: just test
diff --git a/Justfile b/Justfile
index da0c76a..a0f2c3a 100644
--- a/Justfile
+++ b/Justfile
@@ -57,5 +57,4 @@ test:
     @cd go && go test ./...
 
     # Test: Integration tests
-    # TODO: Until this issue is taken care of, these will continue to fail: https://github.com/bytecodealliance/opentelemetry-wasi/issues/45
-    # @cargo test --manifest-path integration_tests/Cargo.toml
+    @cargo test --manifest-path integration_tests/Cargo.toml
diff --git a/go/examples/spin-basic/spin.toml b/go/examples/spin-basic/spin.toml
index 4172f6f..5aef343 100644
--- a/go/examples/spin-basic/spin.toml
+++ b/go/examples/spin-basic/spin.toml
@@ -16,5 +16,5 @@ component = "go-spin-basic"
 source = "main.wasm"
 key_value_stores = ["default"]
 [component.go-spin-basic.build]
-command = "go tool componentize-go build"
+command = "go mod tidy && go tool componentize-go build"
 watch = ["**/*.go", "go.mod"]
diff --git a/integration_tests/src/lib.rs b/integration_tests/src/lib.rs
index c56f98c..cd4fc3b 100644
--- a/integration_tests/src/lib.rs
+++ b/integration_tests/src/lib.rs
@@ -290,6 +290,8 @@ mod tests {
             let child = Command::new("spin")
                 .env("OTEL_EXPORTER_OTLP_ENDPOINT", self.collector_endpoint)
                 .env("OTEL_EXPORTER_OTLP_PROTOCOL", "grpc")
+                // Reduce BatchSpanProcessor export interval to 100ms
+                .env("OTEL_BSP_SCHEDULE_DELAY", "100")
                 .args(["up", "--experimental-wasi-otel", "-f", self.path])
                 .spawn()?;
 
@@ -340,9 +342,16 @@ mod tests {
 
         /// Recursively parse the children of an `ExportedSpan` into a `SpanTree`.
         fn build_node(parent: &'a ExportedSpan, all_spans: &'a [ExportedSpan]) -> Self {
-            let children: Vec<SpanTree<'a>> = all_spans
+            let mut child_spans: Vec<&'a ExportedSpan> = all_spans
                 .iter()
                 .filter(|e| e.parent_span_id == parent.span_id)
+                .collect();
+
+            // If the spans aren't sorted, the `span_paternity_test` might return a false negative
+            child_spans.sort_by_key(|s| s.start_time_unix_nano);
+
+            let children: Vec<SpanTree<'a>> = child_spans
+                .into_iter()
                 .map(|child| Self::build_node(child, all_spans))
                 .collect();
 
diff --git a/integration_tests/src/snapshots/integration_tests__tests__go_spin_basic_logs.snap b/integration_tests/src/snapshots/integration_tests__tests__go_spin_basic_logs.snap
index c339c85..0ae71da 100644
--- a/integration_tests/src/snapshots/integration_tests__tests__go_spin_basic_logs.snap
+++ b/integration_tests/src/snapshots/integration_tests__tests__go_spin_basic_logs.snap
@@ -10,4 +10,4 @@ expression: log_data
   body: "AnyValue { value: Some(StringValue(\"Hello from Go!\")) }"
   attributes: {}
   dropped_attributes_count: 0
-  flags: 0
+  flags: 1
diff --git a/integration_tests/src/snapshots/integration_tests__tests__typescript_spin_basic_logs.snap b/integration_tests/src/snapshots/integration_tests__tests__typescript_spin_basic_logs.snap
index 31947ac..82a1202 100644
--- a/integration_tests/src/snapshots/integration_tests__tests__typescript_spin_basic_logs.snap
+++ b/integration_tests/src/snapshots/integration_tests__tests__typescript_spin_basic_logs.snap
@@ -2,12 +2,12 @@
 source: src/lib.rs
 expression: log_data
 ---
-- trace_id: "[trace_id:len(0)]"
-  span_id: "[span_id:len(0)]"
+- trace_id: "[trace_id:len(32)]"
+  span_id: "[span_id:len(16)]"
   observed_time_unix_nano: "[timestamp]"
   severity_number: 9
   severity_text: INFO
   body: "AnyValue { value: Some(StringValue(\"Hello from TypeScript!\")) }"
   attributes: {}
   dropped_attributes_count: 0
-  flags: 0
+  flags: 1